Review-work, power, PE, KE

What is potential energy?

• moving energy

• stored energy

• renewable energy

• non renewable energy

Tags

NGSS.MS-PS3-2

What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

Tags

NGSS.MS-PS3-1

At what point does the biker have the greatest Kinetic Energy?

• Point A

• Point B

• Point C

• Point D

Tags

NGSS.MS-PS3-1

At what point does the biker have the greatest Potential Energy?

• Point A

• Point B

• Point C

• Point D

Tags

NGSS.MS-PS3-2

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

Tags

NGSS.MS-PS3-5

Can you create energy?

• Yes
• No

Tags

NGSS.MS-PS3-5

When you apply a force that displaces an object, you have:

• done work on that object.

• balanced the forces on the object.

• broken Newton's First Law of Motion.

• conserved the power used.

Tags

NGSS.MS-PS3-5

A 8.6 kg box is pushed across a floor 3.2 m with a force of 5.5 N. How much work is done on the box?

• 17.6 J

• 8.7 J

• 1.72 J

• No work is done.

Tags

NGSS.MS-PS3-5

Which of these are measurements of power?

• 100 joules
• 100 watts
• 100 joules/second

• 100 hertz

What units do we use to measure work?

• watts
• newtons
• joules
• meters

Tags

NGSS.HS-PS3-1