Question

6. A car moving in a straight line at constant speed:

A. is accelerating.
B. is decelerating.
C. must be on a downhill slope.
D. has no overall force acting on it.

Answer 1

D. has no overall force acting on it.

Step-by-step explanation:

Why?

Because in a straight line at the constant speed means the car moving in the same velocity, which is not acceleration neither deceleration, and it cannot be on a downhill slope. So the correct answer is

→ D. has no overall force acting on it.