Physics 165 Module 4 Exam 2026
Questions and Answers
Which TWO of the following will NOT affect the amount of work you do in lifting
a book onto a shelf? - Correct answer-The path that the book takes as you lift it to
the shelf, and the time it takes you to lift it to the shelf
What is the process of producing change in the environment called?
A) Energy
B) Force
C) Power
D) Work - Correct answer-D) Work
What is the unit of both energy and work? - Correct answer-JOULES
True or False: When you hold a dumbbell in place 3 feet off the ground, work is
being done.
A) True
B) False - Correct answer-B) False
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, Which of the following could be a unit for power?
A) Candelas
B) Horsepower
C) Amperes
D) Volts - Correct answer-B) Horsepower (and Watts)
Which of the following changes will maximize the work done by a force? - Correct
answer-Apply the force in the same direction as the displacement
How can a waiter apply a force to a tray and NOT do any work on it? - Correct
answer-Either apply the force in a direction that is perpendicular to the
displacement, have no displacement
When the energy of a system decreases, what type of work is most likely done ON
that system? - Correct answer-zero work
When the energy of a system increases, what type of work is most likely done ON
that system?
A) Positive work
B) Negative work
C) Zero work
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Questions and Answers
Which TWO of the following will NOT affect the amount of work you do in lifting
a book onto a shelf? - Correct answer-The path that the book takes as you lift it to
the shelf, and the time it takes you to lift it to the shelf
What is the process of producing change in the environment called?
A) Energy
B) Force
C) Power
D) Work - Correct answer-D) Work
What is the unit of both energy and work? - Correct answer-JOULES
True or False: When you hold a dumbbell in place 3 feet off the ground, work is
being done.
A) True
B) False - Correct answer-B) False
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, Which of the following could be a unit for power?
A) Candelas
B) Horsepower
C) Amperes
D) Volts - Correct answer-B) Horsepower (and Watts)
Which of the following changes will maximize the work done by a force? - Correct
answer-Apply the force in the same direction as the displacement
How can a waiter apply a force to a tray and NOT do any work on it? - Correct
answer-Either apply the force in a direction that is perpendicular to the
displacement, have no displacement
When the energy of a system decreases, what type of work is most likely done ON
that system? - Correct answer-zero work
When the energy of a system increases, what type of work is most likely done ON
that system?
A) Positive work
B) Negative work
C) Zero work
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
