Question

1. What is the normal force of a 10 N ball lying on the ground?

2. What is the normal force of a 10 Kg ball lying on the ground?

3. If the 10 kg ball is rolling on a grass field, which has a coefficient of kinetic friction of 0.49, what is the force of friction acting on the ball?

Answer 1

Answer:

1. In order to find the normal force, you need to multiply the weight of the object by the cosine of the angle of incline.