Energy Work Power

When a roller coaster stops, the energy is destroyed.

• True 

• False 

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A device that converts Electrical Energy and into Thermal Energy.

• A Battery

• A Hair Dryer

• A Bicycle

• Your Stomach

Tags

NGSS.MS-PS3-3

Explain how a 45 and 60 watt bulb differ in terms of energy output.

You have to push with 15 N of force to move it 10 meters. How much work do you do?

• 15 Joules

• 150 Joules

• 1.5 Joules

• .67 Joules

You do 40 Joules of work in 8 seconds. How much power did you exert?

• 0.2 watts

• 320 watts

• 5 watts

The law of Conservation of Energy says________

• energy is constantly created

• energy can not be created or destroyed instead it changes from one form to another

• energy can not change forms

Tags

NGSS.MS-PS3-5

What is needed to calculate work?

• time and distance

• speed and distance

• force and direction

• acceleration and velocity

What is the unit of measurement for work?

• meters

• newtons

• m/s

• Joules

Tags

NGSS.MS-PS3-5

Is this an example of work?

• Yes

• No!

Tags

NGSS.MS-PS3-5

Power is measured in ___________.

• meters

• joules

• newtons

• watts