Ch 9: Energy, Work, & Power

Energy stored because of gravity could be called:

• Potential Energy
• Kinetic Energy
• Mechanical Advantage
• Simple Machine

Which point has the greatest potential energy (GPE)?

• A
• G
• D
• C

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NGSS.MS-PS2-4

NGSS.MS-PS3-2

____________ is the ability to cause change. 

• Energy 
• Force 
• Friction
• Motion

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NGSS.MS-PS2-2

NGSS.MS-PS3-5

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

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NGSS.MS-PS2-4

NGSS.MS-PS3-2

You throw a ball into the air as shown in the diagram. At what point does the ball have the most potential energy?

• W

• X

• Y

• Z

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NGSS.MS-PS3-2

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

• W

• X

• Y

• Z

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NGSS.MS-PS3-2

Roger Federer’s tennis ball has a mass of 0.3 kg. If he holds the ball above the ground at a height of 2.0 m to serve, what is its gravitational potential energy (GPE)?

• 5.88 J
• 0.6 J
• 6.67 J
• 0.15 J

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NGSS.MS-PS3-2

A leopard with a mass of 55 kg climbs 12 m up a tree. What is its GPE?

• 6,468 J
• 660 J
• 4.58 J
• 0.22 J

An aircraft is taking a group of skydivers up into the air. Evan is dressed in his parachuting outfit, which brings his mass to a total of 90 kg. The aircraft takes the group to a height of 5000 m before the jump. How much GPE does Evan have before jumping?

• 4,410,000 J
• 450,000 J
• 55.56 J 
• 0.018 J

A 3 kg bowling ball is lifted 1.5 m off the ground. What is its GPE?

• 4.5 J
• 2 J
• 44.1 J
• 0.5 J

Tags

NGSS.MS-PS3-2