Newton's Laws of Motion and Forces

Newton's first law of motion states that an object in motion will stay in motion and an object at rest will stay at rest. This is also known as _

• magnitude

• acceleration

• inertia

• gravity

Force equal mass times _.

(a)  

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NGSS.MS-PS2-2

What force cause the moon to revolve around the earth?

• Gravity

• Magnetic

• Electrical

• Applied

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What will happen to ball moving in a straight line if no other force is applied?

• The ball will stop

• The ball will move at the same speed on a different path

• The ball will move with the same speed on the same path

• None of the above

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NGSS.MS-PS2-2

Which would have a greater acceleration? A ball with a mass of 10 g or a ball with a mass of 20 g?

(a)  

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True or false: waves in the ocean are caused by the gravitational pull of the moon?

• True

• False

What are examples of tension force?

• Kicking a ball

• Tug-of-war

• Jumping on a trampoline

• A falling apple

Which direction does frictional force work on an object?

(a)  

True or false: Forces never occur in pairs.

• True

• False

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NGSS.MS-PS2-1

For every action there is an equal but opposite reaction is Newton's _ law of motion.

(a)  

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