Work energy theorem

The ability to do work by applying force is called

• work

• energy

• force

• net force

Tags

NGSS.MS-PS3-5

At which point does the ball has the greatest gravitational potential energy (GPE)?

• A

• G

• D

• C

• G

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-2

At which position does the child on the swing have the most gravitational potential energy?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

What is the kinetic energy of a ball with a mass of 5kg rolling at 10m/s

• 50 J

• 500 J

• 250 J

• 25 J

Tags

NGSS.HS-PS3-1

What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s

• 676 J

• 52 J

• 17J

• 338 J

Tags

NGSS.HS-PS3-1

In order to do work on an object, the force you exert must be...

• The maximum amount of force you are able to exert.
• In the same direction as the object's motion.
• In a direction opposite to Earth's gravitational force.
• quick and deliberate.

Tags

NGSS.HS-PS2-1

Which is the correct unit for work?

• Joules

• Newton

• meter

• Watts

What is the formula for work?

• Force = work x distance
• Distance = force x work
• Work = force x distance
• Work = force x mass

If 60 joules of work is done on an object that moves 12 metres, how much force was applied to the object in newtons (N)?

• 5

• 0.2

• 720

• 50

Tags

NGSS.HS-PS2-1

What does work equal when the final change in kinetic energy equals 20,000 J?

• 0J

• 2041J

• 20,000J

• 4164931J

Tags

NGSS.HS-PS3-1