Review (True-False): Linear Motion

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A change in direction with or without a change in speed is velocity.

False

A change in speed can occur without a change in velocity.

False

Acceleration occurs only when there is a change in speed.

False

Objects moving at the same speed always have the same velocity.

False

Speed depends on distance and direction.

False

Speed equals distance multiplied by time.

False

The SI unit for acceleration is km/s^2

False

The formula for acceleration is a = Δt/Δv.

False

A change in velocity can occur without a change in speed.

True

Acceleration shows how quickly velocity changes.

True

If velocity is not changing, then acceleration is zero.

True

The symbol Δt represents a change in time.

True


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