Question

Suppose you have a car traveling down the road at constant speed and not changing direction. It is experiencing gravity, wind resistance and frictional forces from the road. What can be said about the car's acceleration?

Group of answer choices

It is not accelerating because it has constant velocity.

It accelerating because the motor is running, propelling the car forward.

It is accelerating because there are forces acting on it.

It is not accelerating because gravity holds it down.

Answer 1

The correct option is - It is not accelerating because it has constant velocity.

Explanation:-

Acceleration is the rate of change of velocity. If the magnitude or the direction of the velocity is changing, only then we can say that there is an acceleration.

As in this case the car is traveling down the road at constant speed and not changing direction, so both of magnitude and direction remains unchanged.Thus there is no acceleration.

So first option is correct.