True or false? -An object may accelerated even though it is moving with constant speed.

1 Answer
Mark C.
Jan 7, 2018

True! But only in particular circumstances.

Explanation:

It sounds counterintuitive, but there’s is one situation where speed can be constant, but velocity (speed in a certain direction) alters, and that is circular motion.

Because the direction of travel is constantly changing, the velocity is constantly changing too. This means it is accelerating, and that requires a (centripetal) force, such as the gravity acting on a satellite.

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