Questions 11-13 refer to a coin which is tossed straight up into the air. After

Question

Questions 11-13 refer to a coin which is tossed straight up into the air. After it is released it moves upward, reaches its highest point and falls back down again. Use one of the following choices (A through G) to indicate the force acting on the coin for each of the cases described below. Answer choice J if you think that none is correct. Ignore any effects of air resistance. A. The force is down and constant B. The force is down and increasing C. The force is down and decreasing D. The force is zero. E. The force is up and constant. F. The force is up and increasing G. The force is up and decreasing 11. The coin is moving upward after it is released 12. The coin is at its highest point 13. The coin is moving downward

Explanation / Answer

If we ignore air resistance

the force acting on the coin is the weight of the coin

the force is always downwards and it is constant

11)

A) the force is constant downwards

12)

A) the force is constant downwards

13)

A) the force is constant downwards

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