- #1
quah13579
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Homework Statement
A barefoot water skier is towed behind a speedboat at constant velocity.
(i)
(a) Draw a side on diagram of the water skier and on your diagram label the directions and names of the forces acting on the water skier.
(b) What are two relationships between the magnitude of these forces?
(ii)
(a) When a ball is tossed straight up, it momentarily comes to rest at the top of its path. Is it in equilibrium during this brief moment? Give a reason for your answer.
(b) Consider a ball at rest in the middle of a toy wagon. When the wagon is pulled forward, the ball rolls backwards. Briefly account for this using Newton's first law.
The Attempt at a Solution
I am not sure how to do(i) .
(ii)(a) I think the answer is yes, but I am sure the reason.
(ii)(b) I understand the question, but I don't know how to use theory to explain this.