Acceleration Quiz

The rate at which velocity changes is called:

• speed.

• displacement.

• acceleration.

• position.

A race car rounds a curve on the track at a constant speed of 180 mph. Is the car accelerating?

• No, its mass is constant.

• Yes, its speed is changing.

• Yes, its direction is changing.

• No, its speed is constant.

Tags

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In which situation would a bicycle rider NOT be accelerating?

• If her direction and speed were unchanged.

• If her direction changed and speed was constant.

• If her speed increased and direction was unchanged.

• If her speed decreased.

Which of these is an example of deceleration?

• a bird taking off for flight

• a baseball released by a pitcher

• a car approaching a red light

• an airplane following a straight flight path

The moon accelerates because it is

• in a vacuum in space.

• continuously changing direction.

• a very large sphere.

• constantly increasing its speed of orbit.

Tags

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If velocity is measured in kilometers per hour and time is measured in hours, the unit of acceleration is

• hours.

• kilometers

• kilometers per hour per hour.

• kilometers per hour

Tags

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A car traveling on a highway at 60 mph using cruise control is an example of

• positive acceleration

• negative acceleration

• no acceleration

A motorcycle slowing down is an example of

• positive acceleration

• negative acceleration

• no acceleration

Tags

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A baseball dropped from the roof of a building is an example of

• positive acceleration

• negative acceleration

• no acceleration

Tags

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A girl on a skateboard going around a corner at a speed of 3 m/s is an example of

• positive acceleration

• negative acceleration

• no acceleration