Phys 165 Module 3 Exam Questions with
Answers| 2026 Updated
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