Energy Unit Review

You push a box with a force of 10 Newtons a distance of 2 meters. How much work did you do?

• 10 Joules

• 10 Watts

• 20 Joules

• 20 Newtons

Energy is the ability to do ​ (a)   . ​ (b)   is how quickly the work is done. Both energy and work are measured in ​ (c)   and power is measured in ​ (d)   .

• work
• power
• joules
• watts

Tags

NGSS.MS-PS3-5

In an incredible display of pure strength, Mr. H pushes on a wall with the force of 500N. The wall doesnt move. How much work did he do?

• 500 Newtons

• 500 Joules

• 250 Joules

• 0 Joules

You are lifting books and putting them on shelves. Which shelf would require the most work to be done to put a book on it?

• Top shelf

• 2nd shelf from the top

• 3rd shelf from the top

• bottom shelf

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NGSS.MS-PS3-2

Which of these is an example of the transformation of kinetic energy into gravitational potential energy?

• A person slipping on a banana peel and falling

  (has anyone ever actually done that?)

• Climbing a ladder

• sledding down a hill

• a NASCAR car driving in circles around a track and a bunch of people watching for some reason.

Tags

NGSS.MS-PS3-5

When does the roller coaster have the most KE?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When does the roller coaster have the most GPE?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2

When the roller coaster eventually stops, most of the energy has been transformed into...

• Kinetic Energy

• Potential Energy

• Thermal Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In order to increase the gravitational potential energy of a roller coaster car, you could...

• increase the car's height

• decrease the car's height

• increase the car's velocity

• decrease the car's mass

Tags

NGSS.MS-PS3-2

If you have 500 joules of energy, how much work can you do?

• 10 meters

• 500 Newtons

• 500 Joules

• 500 Watts

Tags

NGSS.HS-PS3-1