Introduction to Motion Answers

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What is required in order to determine whether or not an object moves?

a reference point

distance

displacement

standard units

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Which could describe the motion of an object?

distance = 1 meter and displacement = 10 meters

distance = 10 meters and displacement = 100 meters

distance = 0 and displacement = 10 meters

distance = 10 meters and displacement = 10 meters

Which scenario best describes an object with a displacement of zero?

A train moves uphill as it travels in a straight path.

A person walks 2 miles north and 2 miles west.

A ball rolls from the top to the bottom of a hill.

A race car starts and ends at the same point on a track.

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