PHY 131 EXAM 7 | QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH
COMPLETE SOLUTIONS
If we removed air resistance, objects would fall with constant
a. velocity.
b. speed.
c. distances each successive second.
d. acceleration. - ANSWER>d
If a baseball being thrown goes from zero to 60 m/s in 0.2 seconds, what is the average accceleration?
a. 300 m/s/s
b. none of these
c. 3 m/s/s
d. 30 m/s/s
e. 3000 m/s/s - ANSWER>a
,A heavy object and a light object are dropped at the same time from rest in a vacuum. The heavier object reaches
the ground
a. after the lighter object.
b. at the same time as the lighter object.
c. before the lighter object. - ANSWER>b
If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each
second by
a. depends on its initial speed.
b. 15 m/s.
c. 5 m/s.
d. 10 m/s.
e. a variable amount. - ANSWER>d
The two measurements necessary for calculating average speed are
a. distance and acceleration.
b. velocity and time.
, c. distance and time.
d. velocity and distance.
e. acceleration and time. - ANSWER>c
An object is propelled along a straight line path by a force. If the net force were doubled, the objects acceleration
would be
a. the same.
b. four times as much.
c. twice as much.
d. half as much.
e. None of these. - ANSWER>c
The force of friction on a sliding object is 10 Newtons. The applied force needed to maintain a constant velocity is
a. more than 10 Newtons.
b. less than 10 Newtons.
c. 10 Newtons. - ANSWER>c
ANSWERS | 2026 UPDATE | WITH
COMPLETE SOLUTIONS
If we removed air resistance, objects would fall with constant
a. velocity.
b. speed.
c. distances each successive second.
d. acceleration. - ANSWER>d
If a baseball being thrown goes from zero to 60 m/s in 0.2 seconds, what is the average accceleration?
a. 300 m/s/s
b. none of these
c. 3 m/s/s
d. 30 m/s/s
e. 3000 m/s/s - ANSWER>a
,A heavy object and a light object are dropped at the same time from rest in a vacuum. The heavier object reaches
the ground
a. after the lighter object.
b. at the same time as the lighter object.
c. before the lighter object. - ANSWER>b
If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each
second by
a. depends on its initial speed.
b. 15 m/s.
c. 5 m/s.
d. 10 m/s.
e. a variable amount. - ANSWER>d
The two measurements necessary for calculating average speed are
a. distance and acceleration.
b. velocity and time.
, c. distance and time.
d. velocity and distance.
e. acceleration and time. - ANSWER>c
An object is propelled along a straight line path by a force. If the net force were doubled, the objects acceleration
would be
a. the same.
b. four times as much.
c. twice as much.
d. half as much.
e. None of these. - ANSWER>c
The force of friction on a sliding object is 10 Newtons. The applied force needed to maintain a constant velocity is
a. more than 10 Newtons.
b. less than 10 Newtons.
c. 10 Newtons. - ANSWER>c
