Forces in Motion

All objects in the universe have a gravitational attraction to each other.

• True

• False

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Jupiter has about 317 times more mass than Earth. What can you infer from this fact?

• That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.

• That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.

• Mass has no effect on the gravitational force between two objects

• That Jupiter’s and Earth’s gravitational forces are equal.

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This law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is Newton's ...

• 3rd Law of Motion

• 1st Law of Motion

• 2nd Law of Motion

This law explains how the velocity of an object changes when it is subjected to an external force.

• 1st Law of Motion

• 2nd Law of Motion

• 3rd Law of Motion

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This law states that for every action (force) in nature there is an equal and opposite reaction.

• Newton's 1st Law of Motion

• Newton's 3rd Law of Motion

• Newton's 2nd Law of Motion

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What force holds the planets in motion around the sun?

• Electrical

• Magnetic

• Gravitational

• Air Resistance

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What force ultimately slows the roller coaster to a stop?

• applied

• magnetic

• normal

• friction

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In which direction does gravity act?

• Upwards

• In all directions

• Sideways

• Toward the center of the Earth

What is it called when the force of gravity is acting on an object?

• Sliding Friction

• Momentum

• Projectile Motion

• Weight

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NGSS.MS-PS2-4

When 2 objects rub together, what force do they produce?

• water resistance

• gravity

• friction

• air resistance