5th Period Energy Test Review
This online quiz will help you prep for your Energy Test, which covers all three of the energy sections we have done so far in our groups
- 1.The amount of work done an object depends on...
- A.
The force on the object
- B.
The displacement of the object
- C.
The angle between the displacement and the force
- D.
All of the above
- 2.F=102.5 N d= 22 m The force and the displacement are in the same direction.
- A.
This is an example of positive work
- B.
This is an example of negative work
- C.
This is a situation where there is no work
- D.
This is a situation where it is impossible to tell how much work was done.
- 3.You push and push against a door, but it won't budge.
- A.
This is an example of positive work
- B.
This is an example of negative work
- C.
This is a situation where there is no work
- D.
This is a situation where it is impossible to tell how much work was done.
- 4.A force of 10 N works on a ball over a distance of 5 m. The force is perpendicular to the displacement of the ball. What is the total work done by the force?
- A.
-50 J
- B.
0 J
- C.
50 J
- D.
10 J
- 5.Energy is measured in the same units as
- A.
Work
- B.
Force
- C.
Power
- D.
Acceleration
- 6.Power is measured in....
- A.
Joules
- B.
Watts
- C.
Newtons
- D.
Seconds
- 7.A box with 1 kg of mass experiences a net work of 100 J. What is the change in kinetic energy of the box? Assume the box is on a level surface.
- A.
0 J
- B.
10 J
- C.
100 J
- D.
There is not enough information to answer this question
- 8.A box is moving to the right. A force is acting upward on the box.
- A.
The force is doing positive work on the box.
- B.
The force is doing negative work on the box.
- C.
The force is not doing any work on the box.
- 9.A car is moving to the left. A force is acting on it to the right. The force is doing _____________ work on the car.
- A.
Positive
- B.
Negative
- C.
No
- D.
Power
- 10.A skateboarder glides from the top of a ramp to the bottom. Ignore air resistance and friction.
- A.
Positive work is being done on the skateboard
- B.
Negative work is being done on the skateboard
- C.
No work is being done on the skateboard.
- 11.A hammer drives a nail into a board.
- A.
The hammer did positive work on the nail.
- B.
The hammer did negative work on the nail
- C.
The hammer did no work on the nail.
- 12.An arrow is drawn back, giving it 20 J of potential energy. Neglect friction and air resistance. After it is released, the arrow would have...
- A.
20 J of kinetic energy
- B.
20 J of mechanical energy
- C.
20 J of potential energy
- D.
A and B
- E.
A and C
- 13.An arrow is drawn back, giving it 20 J of potential energy. DO NOT neglect friction and air resistance. After it is released, the arrow would have...
- A.
Exactly 20 J of kinetic energy
- B.
Less than 20 J of kinetic energy
- C.
More than 20 J of kinetic energy
- 14.A diver has a mass of 50 kg. She climbs the diving board, which is 3 m high, and steps off. How much kinetic energy will she have when she hits the water?
- A.
53 J
- B.
0 J
- C.
150 J
- D.
1470 J
- 15.A ball is thrown up straight in the air with 50 J of kinetic energy. Neglect friction and air resistance. At apogee, the ball would have...
- A.
50 J of kinetic energy
- B.
50 J of potential energy
- C.
100 J of mechanical energy
- D.
50 J of work
- 16.A 10 kg lemur is running with a velocity of 2 m/s. What is the kinetic energy of this lemur?
- A.
2 J
- B.
40 J
- C.
20 J
- D.
0 J
- 17.An object at rest can still have:
- A.
Mechanical Energy
- B.
Kinetic Energy
- C.
Potential Energy
- D.
A and B
- E.
A and C
- 18.A job is done slowly, and an identical job is done quickly. Both jobs require the same amount of ____, but different amounts of ____. Pick the two words which fill in the blanks in their respective order.
- A.
Work, Force
- B.
Work, Power
- C.
Energy, time
- D.
Power, work
- E.
Force, time
- 19.
![Where would you expect the potential energy to be the greatest? - ProProfs]( "Where would you expect the potential energy to be the greatest?")
Where would you expect the potential energy to be the greatest?- A.
A
- B.
B
- C.
C
- D.
D
- 20.
![Where would you expect the kinetic energy to be the greatest? - ProProfs]( "Where would you expect the kinetic energy to be the greatest?")
Where would you expect the kinetic energy to be the greatest?- A.
A
- B.
B
- C.
C
- D.
D
- 21.In which of the scenarios are you NOT doing work?
- A.
You lift a box onto a truck
- B.
You climb a rope.
- C.
You climb a rope.
- D.
You push against a car until your muscles begin to shake but it won’t move.
- 22.A child uses a bucket on a rope to lift her puppy up to her tree fort. She does 1000 J of lifting in 20 seconds. How much power did she do?
- A.
20 W
- B.
50 W
- C.
100 W
- D.
1000 W
- 23.
![Which of the following is true about the roller coaster's energy at point C? - ProProfs]( "Which of the following is true about the roller coaster's energy at point C?")
Which of the following is true about the roller coaster's energy at point C?- A.
It has less potential energy than Point A and more potential energy than Point B
- B.
It has less potential energy than Point A and more kinetic energy than Point B
- C.
It has less potential energy than Point B and less kinetic energy than Point A
- D.
It has less kinetic energy than Point B and more potential energy than Point A
- 24.A car has 10,000 J of kinetic energy. As it climbs a hill, a force of friction does 500 J of work on it. At the top of the hill, the car has 5000 J of potential energy. What is the car's kinetic energy at the top of the hill?
- A.
20 J
- B.
-500 J
- C.
3500 J
- D.
4500 J
- 25.An astronaut is originally at rest. Then, her jet pack does 200 N of work on her as she moves forward 12 m. What is her final kinetic energy?
- A.
2400 J
- B.
200 J
- C.
1800 J
- D.
0 J
Questions: 10 | Attempts: 583075 | Last updated: Sep 18, 2021
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