Free Printable Gravitational Potential Energy

1.

What is the unit of work?

a)

Newton

b)

Joule

c)

Watt

d)

meter

2.

Which equation is incorrect?

a)

$F\ =\ \frac{W}{s}$

b)

$W\ =\ F\ \times\ s$

c)

$s\ =\ \frac{W}{F}$

d)

$F\ =\ W\times s$

3.

Which of the following is the correct equation for distance?

a)

$F\ =\ \frac{W}{s}$

b)

$W\ =\ F\ \times\ s$

c)

$s\ =\ \frac{W}{F}$

d)

$s=\ W\times F$

4.

Which of the following is the correct equation for distance?

a)

$F\ =\ \frac{W}{s}$

b)

$W\ =\ F\ \times\ s$

c)

$s\ =\ \frac{W}{F}$

d)

$s=\ W\times F$

5.

Which of the following is the correct equation for work done?

a)

$W\ =\ \frac{F}{s}$

b)

$W\ =\ F\ \times\ s$

c)

$W\ =\ \frac{s}{F}$

d)

$s=\ W\times F$

6.

If an object is moved a distance of 50 cm with a force of 0.65 N, how much work is done, in joules (J)?

a)

0.325

b)

32.5

c)

0.77

d)

1.3

7.

If an object is moved a distance of 4 metres with a force of 45 N, how much work is done, in joules (J)?

a)

180

b)

1800

c)

0.09

d)

11.25

8.

Nuclear power stations generate electricity through nuclear fission. Electricity can also be generated by burning shale gas. Shale gas is natural gas trapped in rocks. Shale gas can be extracted by a process called fracking. There is some evidence that fracking causes minor earthquakes. Burning shale gas adds carbon dioxide to the atmosphere. Which of the following is NOT an advantage of nuclear power compared with the use of shale gas to generate electricity.

a)

no carbon dioxide emitted

b)

nuclear power doesn’t cause earthquakes

c)

more energy released per kg of fuel

d)

nuclear power plants produce radioactive waste

9.

How far does an object move in metres (m) if a force of 700 newtons is applied and 50 joules of work is done?

a)

0.071

b)

17.5

c)

28,000

d)

0.71

10.

The graph gives information about the production of electricity in the UK in 2016. Around what percentage of electricity production involves the release of greenhouse gases?

a)

46%

b)

13%

c)

59%

d)

12%

11.

What type of data is shown on the x-axis of this graph?

a)

categorical

b)

continuous

12.

The main use of this fuel is transport.

a)

coal

b)

oil

c)

natural gas

13.

Burning this fuel can cause acid rain.

a)

oil

b)

coal

c)

natural gas

14.

This is a solid fuel.

a)

coal

b)

oil

c)

natural gas

15.

The graph shows how the demand for electricity in the UK changes during one 24-hour period. Around what time is the demand for electricity highest in the UK?

a)

4:00

b)

8:00

c)

12:00

d)

20:00

16.

The graph shows how the demand for electricity in the UK changes during one 24-hour period. What are the units of the dependent variable?

a)

kW

b)

kW/h

c)

hours

d)

W

17.

What is a natural resource?

a)

Material from the Earth that people use for their needs.

b)

A place hidden in the mountains.

c)

An object made from natural things.

18.

__________ is an energy resource that WILL NOT run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Non-Renewable Energy Resource

19.

Which of the following is a renewable resource?

a)

Oil

b)

Solar

c)

Coal

d)

Natural Gas

20.

What are the 3 fossil fuels?

a)

coal, oil, uranium

b)

coal, hydroelectric, oil

c)

natural gas, oil, coal

21.

Coal is a __________ energy resource.

a)

Renewable

b)

Non-renewable

22.

Hyrdo Power is a __________ energy resource.

a)

Renewable

b)

Non-renewable

23.

If a roller-coaster cart moving towards the top of a track has 40 J of kinetic energy and 30 J of gravitational potential energy, how much gravitational potential energy will it have at the top of the track?

a)

70 J

b)

40 J

c)

30 J

d)

10 J

24.

If a falling ball has, at one point in its fall, 20 J of gravitational potential energy and 60 J of kinetic energy, how much kinetic energy will it have when it strikes the Earth?

a)

80 J

b)

60 J

c)

20 J

d)

40 J

25.

Which of the following is an example of a mechanical transfer of energy?

a)

A battery powering a light bulb.

b)

A candle generating heat

c)

A candle generating light

d)

A ball falling towards the Earth

26.

Which of the following is an example of a system producing useful energy?

a)

car: kinetic

b)

iPhone: thermal

c)

car: thermal

d)

lightbulb: thermal

27.

A ball is thrown up in the air with 100 J of kinetic energy. How much gravitational potential energy does the ball have stored at the peak of its throw?

a)

100 J

b)

50 J

c)

25 J

d)

10 J

28.

Which of the following is an example of a system producing useful energy?

a)

car: kinetic

b)

iPhone: thermal

c)

car: thermal

d)

lightbulb: thermal

29.

As the drone accelerates upwards its __________________________ energy increases and its __________________________ energy increases.The __________________________ energy store of the battery decreases.

a)

kinetic ; gravitational potential ; chemical

b)

chemical ; gravitational potential ; kinetic

c)

kinetic ; gravitational potential ; nuclear

d)

kinetic ; elastic potential ; chemical

30.

As the cyclist accelerates, the _______________________ energy store in the cyclist’s body decreases and the _______________________ energy of the cyclist increases.

a)

chemical; kinetic

b)

gravitational potential; kinetic

c)

elastic potential; kinetic

d)

kinetic; gravitational potential

e)

kinetic; chemical

31.

Which of the following is false?

a)

Energy is the product of an activity

b)

Energy cannot be created or destroyed

c)

When gravity pulls an object towards the ground, energy is transferred mechanically

d)

A car's engine produces useful kinetic energy and wasted thermal energy

32.

Which of the following is not a store of energy?

a)

friction

b)

magnetic

c)

electrostatic

d)

nuclear

33.

Which of the following is true?

a)

Energy is found only in living objects

b)

Energy is a fuel

c)

Energy is a substance or fluid

d)

Energy is associated only with movement

e)

Any store of energy may be transferred into another store

34.

Which of the following is a non-renewable resource?

a)

Water

b)

Sun

c)

Coal

d)

Win

35.

Which resources are renewable?

a)

Solar, Wind, Water

b)

Gas, Oil, Coal

c)

Fossil Fuels

36.

Which of the following--select more than 1 answer--are fossil fuels?

a)

coal

b)

oil

c)

geothermal

d)

natural gas

37.

What is the main source of energy for most natural resources?

a)

wind

b)

sun

c)

Earth

d)

water

38.

What is another name for oil?

a)

granite

b)

nuclear

c)

coal

d)

petroleum

39.

Calculate work done if an object is moved 56 metres, with a force of 358 millinewtons.

a)

20.048 joules

b)

20048 joules

c)

0.16 joules

d)

6.39 joules

40.

Propane and methane are examples of __.

a)

geothermal

b)

biomass

c)

natural gas

d)

coal

41.

If 5 kJ of work is done on an object that moves 150 m, how much force was applied to the object in newtons (N)?

a)

3.33

b)

0.033

c)

750,000

d)

33.3

42.

Calculate force if an object is moved 462 kilometres and 5750 joules of work is done.

a)

0.0124 newtons

b)

12.45 newtons

c)

0.08 newtons

d)

0.00124 newtons

43.

Which of the following can be used to solve for power?

a)

$P=\frac{E}{t}$

b)

$P=\frac{t}{E}$

c)

$P=Et$

d)

$t=\frac{E}{P}$

44.

Which of the following can be used to solve for time?

a)

$t=\frac{P}{E}$

b)

$t=PE$

c)

$P=Et$

d)

$t=\frac{E}{P}$

45.

Which of the following can be used to solve for energy?

a)

$E=\frac{P}{t}$

b)

$E=Pt$

c)

$P=Et$

d)

$E=\frac{t}{P}$

46.

Calculate energy if in 58 seconds a system outputs 41 watts of power.

a)

2378 joules

b)

237.8 joules

c)

1.41 joules

d)

23780 joules

47.

Calculate energy if in 89 centiseconds a system outputs 57 kilowatts of power.

a)

50730 joules

b)

5073 joules

c)

1.56 joules

d)

0.6404494 joules

48.

Calculate power if in 38 milliseconds, 66 joules of energy is transferred.

a)

1737 watts

b)

1.737 watts

c)

0.5758 watts

d)

173.7

49.

Calculate the time it takes for 74 kilojoules of energy to be transferred, if power is 8 watts.

a)

9250 seconds

b)

9.25 seconds

c)

0.108 seconds

d)

592 seconds

50.

Calculate the time it takes for 18 joules of energy to be transferred, if power is 9 watts.

a)

2 seconds

b)

0.5 seconds

c)

162 seconds

d)

20 seconds

51.

Select all that apply: milli-

a)

1/1000

b)

1000

c)

0.1

d)

0.001

e)

1/100

52.

Select all that apply: centi-

a)

1/1000

b)

100

c)

0.01

d)

0.001

e)

1/100

53.

Select all that apply: kilo-

a)

1/1000

b)

1000

c)

0.01

d)

10³

e)

10^-3

54.

Convert 56 centimetres to metres.

a)

560 metres

b)

5600 metres

c)

5.6 metres

d)

0.56 metres

e)

0.056 metres

55.

Convert 0.78 kilojoules to joules.

a)

7,800 joules

b)

780 joules

c)

78 joules

d)

7.8 joules

e)

0.078 joules

56.

State the equation which links gravitational field strength, mass, height, and gravitational potential energy

a)

$E_p=\frac{m}{gh}$

b)

$E_p=mgh$

c)

$E_p=\frac{mg}{h}$

d)

$E_p=\frac{gh}{m}$

57.

Which of the following correctly solves for mass?

a)

$E_p=mgh$

b)

$m=ghE_p$

c)

$m=\frac{gh}{E_p}$

d)

$m=\frac{E_p}{gh}$

58.

Which of the following correctly solves for height?

a)

$E_p=mgh$

b)

$h=gmE_p$

c)

$h=\frac{gm}{E_p}$

d)

$h=\frac{E_p}{gm}$

59.

Which of the following correctly solves for gravitational field strength?

a)

$E_p=mgh$

b)

$g=hmE_p$

c)

$g=\frac{hm}{E_p}$

d)

$g=\frac{E_p}{hm}$

60.

Which of the following objects has more gravitational potential energy, if they are at the same height above the Earth?

a)

A 0.1 g object

b)

A 10,000 g object

c)

A 1,000 kg object

d)

A 0.1 kg object

Gravitational Potential Energy

Total questions: 60

Worksheet time: 35mins

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