Multiple choice general knowledge science & technology

Juan drives around a circular bend at constant speed. We can infer that his car :

  1. accelarates.

  2. retards.

  3. remains at constant velocity.

  4. no such inference can be made.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When an object moves in a circle at constant speed, its velocity is constantly changing direction. Acceleration is defined as change in velocity (which includes direction). The car accelerates toward the center of the circle (centripetal acceleration).

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