Motion prequiz

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Cars, bicycles, animals, and people are all objects that can be in motion. Which statement about motion is correct?

a) An object in motion is accelerating.

b) Motion is the change in position of an object.

c) Gravity and friction are responsible for all motion.

d) An object in motion has no speed, but it does have velocity.

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a) position

b) acceleration

c) speed

d) velocity

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a) seconds per gram (s/g)

b) meters per second (m/s)

c) grams per milliliter (g/mL)

d) milliliters per second (mL/s)

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a) velocity changes, but acceleration remains constant

b) the velocity of the roller coaster remains constant

c) the roller coaster accelerates throughout the trip

d) the speed of the roller coaster remains constant

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