What Is Work

A kid applies a force of 70 newtons to a ball over 1 meter. How much work did he do on the ball?

• 77 joules

• 7.7 joules

• 770 joules

Tags

NGSS.MS-PS3-5

A weightlifter lifts two 300 newton weights 1.5 meters off the ground. How much work did he do?

• 600 joules

• 660 joules

• 900 joules

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A person lifts a rock 2 meters off the ground with a force of 20 newtons. How much work did the person do?

• 10 joules

• 20 joules

• 40 joules

You use a 20 newton force to move an object 5 meters. How much work do you do?

• 4 joules

• 100 joules

• 15 joules

Work needs what 2 things?

• push and pull

• force and distance

• time and distance

If there is no movement there can be no ____?

• force

• distance

• work

Tags

NGSS.MS-PS2-1

An object falls 5 meters with a force of 980 newtons. How much work did the object do?

• 4900 joules

• 980 joules

• 490 joules

Tags

NGSS.MS-PS3-5

A force of 50 newtons is applied to move a box 3 meters. How much work is done on the box?

• 150 joules

• 50 joules

• 100 joules

• 200 joules

Tags

NGSS.MS-PS3-5

• 49000 joules

• 5000 joules

• 9800 joules

• 4900 joules

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following is the correct formula for calculating work?

Tags

NGSS.MS-PS3-5