Force and Motion Quiz

What is force?

• A kind of sound

• A type of light

• A push or pull that changes motion

• A type of energy

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NGSS.MS-PS2-2

Which of these is an example of a force that's opposite motion?

• Gravity

• Electric force

• Frictional force

• Magnetic force

What does Newton's First Law of Motion state?

• Objects fall at the same rate regardless of mass

• A body in motion stays in motion unless acted on by an outside force

• Force equals mass times acceleration

• For every action, there is an equal and opposite reaction

What happens when you throw a ball up in the air?

• It stops in mid-air

• It floats away

• It keeps going up forever

• Gravity pulls it back down

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What is the result of unbalanced forces acting on an object?

• The object remains stationary

• The object changes its state of motion

• The object moves in a circular path

• The object becomes weightless

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When an object changes _______, you know it has ________.

• motion, position

• reference points, motion

• position, motion

• reference points, positions

Which of the following is an example of balanced forces?

• A car accelerating on a highway

• A book resting on a table

• A ball rolling down a hill

• A rocket launching into space

What is the effect of friction on a moving object?

• It speeds up the object

• It changes the object's direction

• It slows down the object

• It has no effect on the object

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NGSS.MS-PS2-2

What happens to an object thrown in space?

• It stops immediately

• It changes direction

• It continues moving at a constant speed

• It accelerates

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NGSS.MS-PS2-2

If an object is moving that means the forces are

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