Work and Energy

What is the unit used to measure work?

• Joule
• Watt
• Newton
• Pascal

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

Tags

NGSS.MS-PS3-1

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What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

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Calculate the KE of a runner that has a mass of 80 kg and is running at a velocity of 8 m/s

• 5120 J
• 320 J
• 640 J
• 2560 J

Tags

NGSS.HS-PS3-1

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____________ is the ability to cause change. 

• Energy 
• Force 
• Friction
• Motion

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NGSS.HS-PS3-1

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At which point is potential energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• Both the potential energy and kinetic energy decrease
• The potential energy decreases while the kinetic energy increases 
• The kinetic energy decreases while the potential energy increases 
• Bothe the potential energy and kinetic energy increase 

Tags

NGSS.HS-PS3-2

At which point is kinetic energy greatest? 

• W
• X
• Y
• Z

Tags

NGSS.HS-PS3-2

When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS3-1

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if you push a cart with a force of 60 N resulting in 120 J of work.. how far did you move the cart? 

• 7200 m
• 0 m
• 2 N 
• 2 m

Tags

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