Consider a particle moving with constant speed such that its acceleration of constant magnitude is always perpendicular to its velocity.
A) It is moving in a straight line.
B) It is moving in a circle.
C) It is moving in a parabola.
D) It is moving in a hyperbola.
E) None of the above is definitely true all of the time.

Question

Quizplus · Accepted Answer

If the acceleration is perpendicular to the velocity, then the motion is always changing direction. The only way to have a motion that constantly changes direction is to have the particle move in a circle.

Consider a Particle Moving with Constant Speed Such That Its