Question

What is acceleration? A. a change in an object’s direction only B. any change in an object’s direction or rate of speed C. a movement in the forward direction only D. an increase in an object’s rate of speed only

Answer 1

Answer: B. any change in an object’s direction or rate of speed

Explanation: While velocity is the change in distance in terms of time, acceleration is the change in velocity with respect of time. The object could change direction, or it could just be changing speed. If velocity (speed) is constant, acceleration is constant. The same holds true for direction.