Forces and Interactions

At which point is potential energy greatest?

• W
• X
• Y
• Z

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NGSS.MS-PS3-2

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

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• 2
• 3
• 4

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

2. The diagram to the right represents a diver’s motion from the top of a high diving board into a pool of water. At what point does the diver have the greatest kinetic energy and the least potential energy?

• 1
• 2
• 3
• 4

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

How can I gain potential energy? (choose the best answer)

• Run a mile
• Walk up the stairs
• Climb a mountain
• Go down the stairs

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NGSS.MS-PS3-2

NGSS.MS-PS2-4

Two balloons are hanging from a stick.

Both balloons have a positive charge.

How would you expect the balloons to move?

• there would be no movement

• towards each other

• away from each other

Tags

NGSS.MS-PS2-3

Two balloons are hanging from a stick.

One balloon has a positive charge and the other has a negative charge.

How would you expect the balloons to move?

• there would be no movement

• towards each other

• away from each other

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The ball on the string is being repelled (pushed away) by the metal bar.

What must be the charge on the ball?

• postivie

• neutral

• negative

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NGSS.MS-PS2-3

Electrons have a _________________ charge.

• neutral

• positive

• negative

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NGSS.MS-PS2-3

Protons have a ________________ charge.

• neutral

• positive

• negative

Which of the following is true?

• Electric charge is transferred only when all objects have balanced charges.

• Electric charge is transferred when electrons move.

• Electric charge is transferred when protons move.

• Electric charge is transferred when protons and neutrons change places.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5