Question 4 (1 point)
A student is riding the school bus. The bus stops as the driver applies the brakes. Which of these best describes this situation?
a
There is no force acting on the busy, so it stops moving.
b
A force is changing the motion of the bus.
c
The school bus does not lose or gain kinetic energy.
d
The bus is gaining energy because of friction.
b
A force is changing the motion of the bus.