Free Printable Kinetic Energy

Worksheets

Kinetic Energy

Total questions: 24

Worksheet time: 2hrs 0mins

Name

Class

Date

The faster an object moves, the ________ kinetic energy it has.

less

none of the above

all of the above

A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?

1457 Joules

22,584 Joules

15 Joules

45,167Joules

What would have the greatest kinetic energy?

A car driving down a hill.

A person running down a hill.

A ball rolling down a hill.

The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.

Something Mr. Lance likes to say.

Life

Law of Conservation of Energy

The scientific method

Newton's Third Law

Which is the best example that something has kinetic energy?

a. a car parked on a steep hill

b. a tennis ball rolling across the court

c. a picture hanging on the wall

d. a piece of coal before it's burned

What is energy?

something that picks up things, like a magnet.

Motion of an object

ability to do work

magic rays of sunshine that come down when you're feeling blue.

What is kinetic energy?

energy of work

energy of motion

energy of gravity

energy of power

The SI unit in which kinetic energy is measured is

Newton

Kilogram

Joules

Metres per second

Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.

18 J

36 J

12 J

6 J

10.

How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?

27 J

18 J

9 J

2 J

11.

What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s

676 J

52 J

17J

338 J

12.

What is the kinetic energy of a ball with a mass of 5kg rolling at 10m/s

50 J

500 J

250 J

25 J

13.

A 60 kg Ewok is travelling at a constant speed of 7 m/s. What is its kinetic energy in KJ?

1.47 KJ

210 KJ

147 KJ

1470 KJ

14.

What is the kinetic energy of a 1500 gram object moving at a velocity of 100 m/s

112.5 J

7,500,000 J

75 J

7,500 J

15.

What is the kinetic energy of a 25,000g object moving at a velocity of 2.5 m/s

78.125 J

31250 J

781.25 J

78,125 J

16.

How much kinetic energy does a person of mass 50kg running at 3m/s have? Provide your answer in KJ.

225 KJ

0.225 KJ

75 KJ

0.075 KJ

17.

What is the kinetic energy of a 30,000 g object moving at a velocity of 4 m/s. Provide you answer in KJ

240,000 KJ

240 KJ

2400 KJ

0.24 KJ

18.

As mass increases, KE ...

increases

decreases

stays the same

19.

Rearrange the equation for kinetic energy to make mass the subject of the equation.

m = KE/2v²

m = 2KE/v²

m = v²/2KE

m = 2v²/KE

20.

Rearrange the equation for kinetic energy to make velocity squared the subject of the equation.

v²= KE/2m

v² = 2m/KE

v² = 1/2 KE m

v² = 2KE/m

21.

A golf pro swings his driver which weighs 0.75Kg at a velocity of 60 m/s. Calculate the kinetic energy of the club.

2700 J

16.9 J

1350 J

45 J

22.

An explosion of gas from a Hawaiian volcano blows a rock into the sky. the rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s

200Kg

20,000Kg

10Kg

200Kg

23.

An 8kg dog chases a cat. if the dog has 400J of kinetic energy. What is the speed of the dog?

10 m/s

5 m/s

1 m/s

100 m/s

24.

What is the mass of a moving object that has 100 Joules of kinetic energy and moves at a velocity of 2 m/s?

50 kg

200 kg

25 kg

100 kg

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Kinetic Energy

Total questions: 24

Worksheet time: 2hrs 0mins

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