Classical Mechanics Final Exam, Key Concepts
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1. Dynamics Dynamics is the branch of mechanics that studies the relationship between the
motion of objects and the forces and torques causing that motion.
2. Applications of Applications of Newton's Laws involve using these laws to analyze and predict
Newton's Laws the motion of objects in various situations. This includes calculating acceleration,
force, and mass in problems involving moving vehicles, falling objects, or objects
connected by strings. Newton's Laws help explain everyday phenomena like why
seat belts are important, how rockets launch, and how sports equipment behaves
during use.
3. Force Diagrams Force diagrams and free body diagrams are drawings that represent all the forces
and Free Body Di- acting on a single object. These diagrams help visualize and understand the forces
agrams like gravity, friction, normal force, and applied forces. They are essential tools to
apply Newton's laws and solve for acceleration, tension, or friction in mechanics
problems.
4. Equilibrium and Equilibrium diagrams show forces acting on an object in a state where all forces
Non-Equilibrium balance and there is no motion change. Non-equilibrium diagrams show forces
Diagrams on objects accelerating, where forces do not cancel out and net force causes
motion.
5. Force Balance in Force balance in multiple dimensions involves analyzing forces acting in two or
Multiple Dimen- three directions at the same time. It requires breaking forces into components
sions and applying Newton’s laws separately along each axis to understand the object’s
motion.
6. Vector Represen- Vector representation of forces uses arrows to show both the size (magnitude)
tation of Forces and the direction of forces. The length of the arrow represents the strength of the
force, and the arrow points in the direction the force acts.
7. Common Types Common types of forces include gravitational force, which attracts objects toward
of Forces each other; frictional force, which opposes motion between surfaces in contact;
normal force, which acts perpendicular to contact surfaces; tension force, which
, Classical Mechanics Final Exam, Key Concepts
Study online at https://quizlet.com/_ihx564
is transmitted through ropes or strings; and applied force, which is an external
effort applied to an object.
8. Other Forces Other forces include gravitational force, electromagnetic force, and applied forces
that affect objects’ motion apart from tension, normal, friction, spring, and drag
forces.
9. Gravitational Gravitational force is the attraction between two objects with mass, acting over a
Force (as distance without physical contact. It causes objects to be pulled toward each other,
Non-Contact) such as the Earth pulling objects toward its surface.
10. Weight Weight is the force exerted on an object due to gravity. It is equal to the object's
mass multiplied by the acceleration due to gravity and acts downward toward the
center of the Earth.
11. Spring Force Spring force is the restoring force exerted by a stretched or compressed spring,
(Hooke's Law) proportional to the displacement from its equilibrium position, described by
Hooke's Law as F = -kx, where k is the spring constant and x is the displacement.
12. Hooke's Law Hooke's Law states that the force exerted by a spring is directly proportional to the
Statement displacement of the spring from its equilibrium position, and this force acts in the
opposite direction of the displacement.
13. Spring Force Spring force is the restoring force exerted by a spring when it is stretched or
compressed. This force acts in the direction opposite to the displacement of the
spring.
14. Newton's Laws of Newton's Laws of Motion are three fundamental principles that describe the
Motion relationship between the motion of an object and the forces acting on it. The first
law states that an object remains at rest or moves at a constant velocity unless
acted upon by a net force. The second law relates force, mass, and acceleration
with the equation F = ma. The third law states that for every action, there is an
equal and opposite reaction.
, Classical Mechanics Final Exam, Key Concepts
Study online at https://quizlet.com/_ihx564
15. Newton's First Newton’s First Law of Motion states that an object will remain at rest or move in a
Law of Motion straight line at constant speed unless acted upon by a net external force. This law
describes the concept of inertia.
16. Equilibrium (No Equilibrium occurs when the total force acting on an object is zero, causing the
Net Force) object to remain at rest or continue moving with constant velocity.
17. First Law (Inertia) Newton's First Law states that an object at rest remains at rest, and an object in
motion continues in motion at constant velocity unless acted on by a net external
force. This law describes the property of inertia.
18. Inertial Refer- An inertial reference frame is a frame of reference in which an object not subjected
ence Frame to any net force moves with constant velocity or remains at rest.
19. Newton's Second Newton’s Second Law of Motion describes how the velocity of an object changes
Law of Motion when it is subjected to an external force. It states that the acceleration of an object
is directly proportional to the net force acting on it and inversely proportional to
its mass. The formula form is F = ma, where F is the net force, m is the mass, and
a is the acceleration.
20. Acceleration Acceleration is the rate at which an object's velocity changes with time. It is a vector
quantity that describes how quickly an object speeds up, slows down, or changes
direction.
21. Force Force is any push or pull that can cause an object with mass to change its velocity
or shape. It is a vector quantity having both magnitude and direction, measured
in newtons (N).
22. Mass Mass is a measure of the amount of matter contained in an object. It is a scalar
quantity that indicates an object's resistance to acceleration when a force is
applied, measured in kilograms (kg).
23. The net force applied to an object determines its acceleration, following the
equation Newton formulated: acceleration equals net force divided by mass.
, Classical Mechanics Final Exam, Key Concepts
Study online at https://quizlet.com/_ihx564
Net Force and
Acceleration Re-
lationship
24. Second Law (Net Newton's Second Law of Motion states that the acceleration of an object depends
Force) directly on the net force acting on it and inversely on its mass. It is often written
as F = m × a, where F is the net force, m is mass, and a is acceleration.
25. Vector Addition Vector addition of forces combines multiple force vectors acting on an object to
of Forces find a single net force that produces the same effect.
26. Newton's Third Newton’s Third Law of Motion states that for every action force, there is an equal
Law of Motion and opposite reaction force. This means that forces always come in pairs that act
on two different objects.
27. Action-Reaction An action–reaction pair refers to two forces that two objects apply to each other.
Pair According to Newton's Third Law, whenever one object exerts a force on a second
object, the second object exerts an equal and opposite force back on the first.
28. Equal and Oppo- Equal and opposite forces are two forces that are the same in size but point in
site Forces opposite directions. These forces occur in pairs as described by Newton's Third
Law when two objects interact.
29. Mutual Interac- Mutual interaction means the interaction between two objects where each applies
tion a force on the other. These forces happen at the same time and are equal in
magnitude but opposite in direction, demonstrating Newton's Third Law.
30. Bernoulli's Equa- Bernoulli's equation relates the pressure, velocity, and height of a moving fluid
tion and Its Appli- along a streamline. It states that the sum of the fluid's pressure energy, kinetic
cations energy per unit volume, and potential energy per unit volume remains constant if
the flow is steady and frictionless. This principle helps explain many phenomena,
like why airplane wings generate lift, how a Venturi meter measures flow speed,
and why fluid speeds up when flowing through a narrow pipe.
Study online at https://quizlet.com/_ihx564
1. Dynamics Dynamics is the branch of mechanics that studies the relationship between the
motion of objects and the forces and torques causing that motion.
2. Applications of Applications of Newton's Laws involve using these laws to analyze and predict
Newton's Laws the motion of objects in various situations. This includes calculating acceleration,
force, and mass in problems involving moving vehicles, falling objects, or objects
connected by strings. Newton's Laws help explain everyday phenomena like why
seat belts are important, how rockets launch, and how sports equipment behaves
during use.
3. Force Diagrams Force diagrams and free body diagrams are drawings that represent all the forces
and Free Body Di- acting on a single object. These diagrams help visualize and understand the forces
agrams like gravity, friction, normal force, and applied forces. They are essential tools to
apply Newton's laws and solve for acceleration, tension, or friction in mechanics
problems.
4. Equilibrium and Equilibrium diagrams show forces acting on an object in a state where all forces
Non-Equilibrium balance and there is no motion change. Non-equilibrium diagrams show forces
Diagrams on objects accelerating, where forces do not cancel out and net force causes
motion.
5. Force Balance in Force balance in multiple dimensions involves analyzing forces acting in two or
Multiple Dimen- three directions at the same time. It requires breaking forces into components
sions and applying Newton’s laws separately along each axis to understand the object’s
motion.
6. Vector Represen- Vector representation of forces uses arrows to show both the size (magnitude)
tation of Forces and the direction of forces. The length of the arrow represents the strength of the
force, and the arrow points in the direction the force acts.
7. Common Types Common types of forces include gravitational force, which attracts objects toward
of Forces each other; frictional force, which opposes motion between surfaces in contact;
normal force, which acts perpendicular to contact surfaces; tension force, which
, Classical Mechanics Final Exam, Key Concepts
Study online at https://quizlet.com/_ihx564
is transmitted through ropes or strings; and applied force, which is an external
effort applied to an object.
8. Other Forces Other forces include gravitational force, electromagnetic force, and applied forces
that affect objects’ motion apart from tension, normal, friction, spring, and drag
forces.
9. Gravitational Gravitational force is the attraction between two objects with mass, acting over a
Force (as distance without physical contact. It causes objects to be pulled toward each other,
Non-Contact) such as the Earth pulling objects toward its surface.
10. Weight Weight is the force exerted on an object due to gravity. It is equal to the object's
mass multiplied by the acceleration due to gravity and acts downward toward the
center of the Earth.
11. Spring Force Spring force is the restoring force exerted by a stretched or compressed spring,
(Hooke's Law) proportional to the displacement from its equilibrium position, described by
Hooke's Law as F = -kx, where k is the spring constant and x is the displacement.
12. Hooke's Law Hooke's Law states that the force exerted by a spring is directly proportional to the
Statement displacement of the spring from its equilibrium position, and this force acts in the
opposite direction of the displacement.
13. Spring Force Spring force is the restoring force exerted by a spring when it is stretched or
compressed. This force acts in the direction opposite to the displacement of the
spring.
14. Newton's Laws of Newton's Laws of Motion are three fundamental principles that describe the
Motion relationship between the motion of an object and the forces acting on it. The first
law states that an object remains at rest or moves at a constant velocity unless
acted upon by a net force. The second law relates force, mass, and acceleration
with the equation F = ma. The third law states that for every action, there is an
equal and opposite reaction.
, Classical Mechanics Final Exam, Key Concepts
Study online at https://quizlet.com/_ihx564
15. Newton's First Newton’s First Law of Motion states that an object will remain at rest or move in a
Law of Motion straight line at constant speed unless acted upon by a net external force. This law
describes the concept of inertia.
16. Equilibrium (No Equilibrium occurs when the total force acting on an object is zero, causing the
Net Force) object to remain at rest or continue moving with constant velocity.
17. First Law (Inertia) Newton's First Law states that an object at rest remains at rest, and an object in
motion continues in motion at constant velocity unless acted on by a net external
force. This law describes the property of inertia.
18. Inertial Refer- An inertial reference frame is a frame of reference in which an object not subjected
ence Frame to any net force moves with constant velocity or remains at rest.
19. Newton's Second Newton’s Second Law of Motion describes how the velocity of an object changes
Law of Motion when it is subjected to an external force. It states that the acceleration of an object
is directly proportional to the net force acting on it and inversely proportional to
its mass. The formula form is F = ma, where F is the net force, m is the mass, and
a is the acceleration.
20. Acceleration Acceleration is the rate at which an object's velocity changes with time. It is a vector
quantity that describes how quickly an object speeds up, slows down, or changes
direction.
21. Force Force is any push or pull that can cause an object with mass to change its velocity
or shape. It is a vector quantity having both magnitude and direction, measured
in newtons (N).
22. Mass Mass is a measure of the amount of matter contained in an object. It is a scalar
quantity that indicates an object's resistance to acceleration when a force is
applied, measured in kilograms (kg).
23. The net force applied to an object determines its acceleration, following the
equation Newton formulated: acceleration equals net force divided by mass.
, Classical Mechanics Final Exam, Key Concepts
Study online at https://quizlet.com/_ihx564
Net Force and
Acceleration Re-
lationship
24. Second Law (Net Newton's Second Law of Motion states that the acceleration of an object depends
Force) directly on the net force acting on it and inversely on its mass. It is often written
as F = m × a, where F is the net force, m is mass, and a is acceleration.
25. Vector Addition Vector addition of forces combines multiple force vectors acting on an object to
of Forces find a single net force that produces the same effect.
26. Newton's Third Newton’s Third Law of Motion states that for every action force, there is an equal
Law of Motion and opposite reaction force. This means that forces always come in pairs that act
on two different objects.
27. Action-Reaction An action–reaction pair refers to two forces that two objects apply to each other.
Pair According to Newton's Third Law, whenever one object exerts a force on a second
object, the second object exerts an equal and opposite force back on the first.
28. Equal and Oppo- Equal and opposite forces are two forces that are the same in size but point in
site Forces opposite directions. These forces occur in pairs as described by Newton's Third
Law when two objects interact.
29. Mutual Interac- Mutual interaction means the interaction between two objects where each applies
tion a force on the other. These forces happen at the same time and are equal in
magnitude but opposite in direction, demonstrating Newton's Third Law.
30. Bernoulli's Equa- Bernoulli's equation relates the pressure, velocity, and height of a moving fluid
tion and Its Appli- along a streamline. It states that the sum of the fluid's pressure energy, kinetic
cations energy per unit volume, and potential energy per unit volume remains constant if
the flow is steady and frictionless. This principle helps explain many phenomena,
like why airplane wings generate lift, how a Venturi meter measures flow speed,
and why fluid speeds up when flowing through a narrow pipe.
