AP Physics 1 Test Uniform Circular Motion & Law of Gravitation

Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s².

• 2.4 m/s
• 3.6 m/s
• 3.9 m/s
• 4.2 m/s

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NGSS.HS-PS2-1

You are moving a ball in a circle using 72 N of centripetal force. What would the force be if you doubled the velocity of the circle?

• 244 N
• 288 N
• 36 N
• 72 N

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NGSS.HS-PS2-1

Double the mass of an object, what happens to the force of attraction?

• 4 times stronger gravity force
• 4 times weaker gravity force
• 2 times weaker gravity force
• 2 times stronger gravity force

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NGSS.HS-PS2-4

NGSS.HS-PS2-1

If Earth's mass was cut in half, what would happen to your mass?

• increase because gravitational force increases
• decrease because gravitational force decreases
• decrease because gravitational force increases
• nothing, mass is not affected by gravitational force

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NGSS.HS-PS2-4

Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

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NGSS.HS-PS2-4

Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance? 

• F/3
• F/2
• F/6
• F/9

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NGSS.HS-PS2-4

Which of the following depict the speed of the bowling ball?

• A
• B
• C
• D

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NGSS.MS-PS3-1

Centripetal acceleration is the acceleration…

• Away from the center of the circle
• When an object is going straight
• Toward the center of a circle
• That doesn’t exist

What force keeps planets in orbit around the Sun?

• Friction
• Gravity
• Momentum
• Velocity

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NGSS.HS-PS2-4

NGSS.HS-ESS1-4

As the product of two objects' masses increases, the pull of gravity

• Increases
• Decreases
• Stays the same

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NGSS.HS-PS2-4