Question

A ball sits on top of a hill. The wind blows and the ball begins rolling down the hill. What caused the ball to start moving?

A. The wind created an unbalanced force on the ball.
B. The wind stopped all other forces acting on the ball.
C. All forces acting on the ball became equal and balanced.
D. All forces acting on the ball moved in the same direction.

Answer 1

A

Step-by-step explanation:

I don't have an exact explanation, I remember learning about it though.

Answer 2

The answer should be a