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A car can have a negative acceleration and be speeding up.

A negative acceleration determines the direction of the acceleration

A car with forward acceleration will speed up in the forward direction

A car moving forward with a negative acceleration will slow down

A car not moving with a negative acceleration will speed up in the backward direction

A car moving backward with a negative acceleration will speed up in the backward direction

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13y ago
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6y ago

False. Acceleration is a vector and negative acceleration in direction r could refer to a system which is speeding up in direction -r.

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Q: True or false Negative acceleration always means that a system is slowing down?
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A classmate in the physics state that the negative acceleration always mean that a moving object is decelerating is that true?

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