1
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Phys 165 Module 3 Exam Questions and
Answers (100% Correct Answers) Already
Graded A+
What is the branch of classical mechanics concerned with the
study of forces and their effects on motion called? [ANS:]
Dynamics
Which of the following is the BEST description of a force?
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a) simply a push or a pull
b) an action exerted on an object which may change the
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object's state of rest or motion
c) something only found in sci-fi movies
d) A and B [ANS:] a) simply a push or a pull
b) an action exerted on an object which may change the
object's state of rest or motion
c) something only found in sci-fi movies
d) A and B
What is the unit for force? [ANS:] Newtons
In a free body diagram of a box resting on the floor, how many
forces would you draw?
A) 1
, 2
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B) 2
C) 3
D) 4 [ANS:] B) 2
What is the specific, immediate, identifiable cause of a force
called? [ANS:] Agent of Force
When a baseball player hits a home run, what is the agent of the
force applied to the ball? [ANS:] The bat
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What makes a field force different from a contact force when it
comes to agents and receivers of forces? [ANS:] In field forces the
agent and receiver of the force do not have to touch, but in
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contact forces the agent and receiver of the force must touch
A force exerted from any surface (the agent) onto an object that
is pressing against the given surface is known as a(n) _______.
A) Normal Force
B) Tension Force
C) Elastic Force
D) Field Force [ANS:] A) Normal Force
he force that acts on an object to resist motion is known as
______________.
A) Normal
B) Friction
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C) Inertia
D) Contact [ANS:] B) Friction
The resistive force that occurs when the two surfaces do slide
across each other is known as ____________________________.
A) Static Friction
B) Kinetic Friction [ANS:] A) Static Friction: starting
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B) Kinetic Friction: sliding
What is the definition of inertia? [ANS:] Inertia is the property of an
object which resists any change in the object's motion
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Law of Inertia? [ANS:] An object at rest remains at rest and an
object in motion stays in motion unless acted on by a net outside
force
Which of the following is a description of acceleration according
to Newton's Second Law of Motion? Acceleration _________.
[ANS:] Is directly proportional to the net force acting on the system
Acceleration of an object is directly proportional to the net
external force acting on an object
Acceleration of an object is inversely proportional to the mass of
the object
Acceleration of the object is in the same direction as the net
external force
For Expert help and assignment solutions, +254707240657
Phys 165 Module 3 Exam Questions and
Answers (100% Correct Answers) Already
Graded A+
What is the branch of classical mechanics concerned with the
study of forces and their effects on motion called? [ANS:]
Dynamics
Which of the following is the BEST description of a force?
© 2025 Assignment Expert
a) simply a push or a pull
b) an action exerted on an object which may change the
Guru01 - Stuvia
object's state of rest or motion
c) something only found in sci-fi movies
d) A and B [ANS:] a) simply a push or a pull
b) an action exerted on an object which may change the
object's state of rest or motion
c) something only found in sci-fi movies
d) A and B
What is the unit for force? [ANS:] Newtons
In a free body diagram of a box resting on the floor, how many
forces would you draw?
A) 1
, 2
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B) 2
C) 3
D) 4 [ANS:] B) 2
What is the specific, immediate, identifiable cause of a force
called? [ANS:] Agent of Force
When a baseball player hits a home run, what is the agent of the
force applied to the ball? [ANS:] The bat
© 2025 Assignment Expert
What makes a field force different from a contact force when it
comes to agents and receivers of forces? [ANS:] In field forces the
agent and receiver of the force do not have to touch, but in
Guru01 - Stuvia
contact forces the agent and receiver of the force must touch
A force exerted from any surface (the agent) onto an object that
is pressing against the given surface is known as a(n) _______.
A) Normal Force
B) Tension Force
C) Elastic Force
D) Field Force [ANS:] A) Normal Force
he force that acts on an object to resist motion is known as
______________.
A) Normal
B) Friction
, 3
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C) Inertia
D) Contact [ANS:] B) Friction
The resistive force that occurs when the two surfaces do slide
across each other is known as ____________________________.
A) Static Friction
B) Kinetic Friction [ANS:] A) Static Friction: starting
© 2025 Assignment Expert
B) Kinetic Friction: sliding
What is the definition of inertia? [ANS:] Inertia is the property of an
object which resists any change in the object's motion
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Law of Inertia? [ANS:] An object at rest remains at rest and an
object in motion stays in motion unless acted on by a net outside
force
Which of the following is a description of acceleration according
to Newton's Second Law of Motion? Acceleration _________.
[ANS:] Is directly proportional to the net force acting on the system
Acceleration of an object is directly proportional to the net
external force acting on an object
Acceleration of an object is inversely proportional to the mass of
the object
Acceleration of the object is in the same direction as the net
external force
