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Phys 165 Module 3 Exam Questions with
Answers (100% Correct Answers)
What is the branch of classical mechanics concerned with the study of forces
and their effects on motion called? Answer: Dynamics
Which of the following is the BEST description of a force?
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 Answer: 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? Answer: Newtons
In a free body diagram of a box resting on the floor, how many forces would
you draw?
A) 1
B) 2
C) 3
D) 4 Answer: B) 2
, 2
What is the specific, immediate, identifiable cause of a force called? Answer:
Agent of Force
When a baseball player hits a home run, what is the agent of the force applied
to the ball? Answer: The bat
What makes a field force different from a contact force when it comes to agents
and receivers of forces? Answer: In field forces the agent and receiver of the
force do not have to touch, but in 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 Answer: A) Normal Force
he force that acts on an object to resist motion is known as ______________.
A) Normal
B) Friction
C) Inertia
D) Contact Answer: 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 Answer: A) Static Friction: starting
Phys 165 Module 3 Exam Questions with
Answers (100% Correct Answers)
What is the branch of classical mechanics concerned with the study of forces
and their effects on motion called? Answer: Dynamics
Which of the following is the BEST description of a force?
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 Answer: 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? Answer: Newtons
In a free body diagram of a box resting on the floor, how many forces would
you draw?
A) 1
B) 2
C) 3
D) 4 Answer: B) 2
, 2
What is the specific, immediate, identifiable cause of a force called? Answer:
Agent of Force
When a baseball player hits a home run, what is the agent of the force applied
to the ball? Answer: The bat
What makes a field force different from a contact force when it comes to agents
and receivers of forces? Answer: In field forces the agent and receiver of the
force do not have to touch, but in 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 Answer: A) Normal Force
he force that acts on an object to resist motion is known as ______________.
A) Normal
B) Friction
C) Inertia
D) Contact Answer: 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 Answer: A) Static Friction: starting
