If the speedometer on a car indicates a constant speed can you be sure the car is not acclerating

Question

Susie Q

Physics

13 November, 09:22

If the speedometer on a car indicates a constant speed can you be sure the car is not acclerating

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Answers (1)

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Lucian · Answer 1

No, you cannot be sure.

'Acceleration' is any change in the speed or direction of motion.

If the car is driving around a curve and the speedometer indicates

a constant speed, it's still accelerating, because its direction is

constantly changing as long as it's on the curve.