# Applying Newton's Laws, motion with constant acceleration

1. Oct 23, 2016

### Mert Kerem Yavuz

1. The problem statement, all variables and given/known data

2. Relevant equations
F=m*a
ΣF=0
3. The attempt at a solution
Firstly, I tried to work on the normal force of bowling ball. But I can't get the answer. I don't get the idea that bowling ball could be kept at constant height, I didn't really understand the question guess. Can anybody explain it to me step by step?

2. Oct 23, 2016

### Jonathan Scott

If the wedge is pushed towards the ball with just the right acceleration, the net force between the ball and the wedge will be normal to the wedge and the ball will remain at a fixed height on the wedge (but the whole system will accelerate for as long as the force can be maintained). The horizontal force will be that needed to accelerate the combined system of the wedge and the ball with the necessary acceleration.

3. Oct 23, 2016

### drvrm

pl. show the force diagram on the ball as well as the wedge ...then one can visualize the motion.