2E Energy and Work Done - Part 1

Define energy.

• Energy is equal to heat.

• Energy gives us strength.

• Energy is the ability to do work.

• Energy is something that we cannot see.

What is the unit for energy?

• E

• I

• H

• J

Marie applies a force of 50 N on the basket. She holds the basket 1 m above the floor.

Is there work done on the basket?

• Yes

• No

No work is actually done, on the basket.

Explain why.

What is the formula for work done?

• W = FD

• F = WD

• D = WF

• W = D/F

A boy pushed a cart with a force of 200N for 30m. What is the work done?

(Formula is W = FD)

• 6J

• 60J

• 600J

• 6000J

Chemical potential energy is stored in _______________ and _____________ .

• somewhere high and food

• food and battery

• battery and rubber band

• rubber band and a pulled bow

What is the Principle of Conservation of Energy?

(2 sentences)

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

At which position does the girl possess the highest gravitational potential energy?

• None

• C

• A and E

• All

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

At which position is the KE the highest?

• A

• C

• E

• All the same

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4