Energy, Work, and Power Test

During a pull-up, a 90kg man raises himself by 80cm. Calculate the work done in a single pull-up.

• 720 Joules
• 72,000 Joules
• 1,125 Joules
• 112,500 Joules

True or false
You do work only when you exert a force on an object and move it

• true
• false

Tags

NGSS.MS-PS2-2

stored energy

• kinetic
• potential

Tags

NGSS.MS-PS3-2

true or false
the faster an object moves the more kinetic energy it has

• true
• false

Tags

NGSS.MS-PS3-1

In the formula for kinetic energy, what is being squared

• mass
• velocity

Which of the following is an example of work being done?

• Teacher sitting in a chair
• Book resting on desk
• Keys hanging from a key chain
• A ball being rolled on the floor

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

a push or pull is

• mass
• force
• inertia
• gravity

Tags

NGSS.MS-PS2-1

Which is an example of a force?

• looking at the sky
• pushing a bike
• reading a book

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

NGSS.HS-PS2-3

NGSS.HS-PS2-4

45J of work were done on the object that moved 5M. How much force was applied to the object?

• 8N
• 225N
• 9N
• 0N

Tags

NGSS.HS-PS2-1

What are the units for distance?

• Feet
• Miles
• Meters
• Kilometers