Energy and Forces

If all of the following objects are moving at the same velocity, rearrange them from least kinetic energy at the top to most kinetic energy at the bottom.

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Ms. Beane pushes Dr. B down the hall in a rolly chair. Ms. Beane is using _______ to move the chair forward.

• Force

• Magic

• Wind

• Gravity

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Label the graph correctly for the amount of energy at the two spots.

a

b

PE HIGHEST

ME HIGHEST

ME = 0

KE HIGHEST

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NGSS.MS-PS3-1

If there are no other forces pushing on the block, in which case is the acceleration of the block GREATEST?

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NGSS.MS-PS2-2

Potential Energy is

• Stored energy

• Energy based on position

• Energy based on motion

• Total Energy

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NGSS.MS-PS3-2

The quarterback throws a ball up in the air, what happens to its potential energy as it rises?

• Decreases

• Stays the same.

• Increases.

• There is no potential energy.

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NGSS.MS-PS3-2

When a runner increases its speed, what happens to its kinetic energy?

• Decreases

• Increases

• Stays the same

• Disappears

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy based on an objects distance from the ground and the mass of the object is what?

• Mechanical Energy

• Kinetic Energy

• Total Electrical Energy

• Gravitational Potential Energy

What is the equation for Mechanical Energy?

(a)   =​ (b)   +​ (c)  

• Force Energy
• Mechanical Energy
• Electrical Energy
• Potential Energy
• Kinetic Energy

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

If all objects are moving as the exact same speed, which would have the greatest kinetic energy?

• tennis ball

• football

• notebook

• box of 20 textbooks

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NGSS.MS-PS3-1

NGSS.MS-PS3-5