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In which of the following are action and reaction forces involved? A. when a tennis racket strikes a tennis ball B. when stepping from a curb C. when rowing a boat D. all of the above
A. when a tennis racket strikes a tennis ball
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Asked 10/24/2012 12:42:56 AM
Updated 10/24/2012 1:19:09 AM
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A. when a tennis racket strikes a tennis ball
Added 10/24/2012 12:55:06 AM
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Answer is D. all of the above
Added 10/24/2012 12:59:56 AM
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The third of Newton's laws of motion of classical mechanics states that forces always occur in pairs. This is related to the fact that a force results from the interaction of two objects. Every force ('action') on one object is accompanied by a 'reaction' on another, of equal magnitude but opposite direction. The attribution of which of the two forces is action or reaction is arbitrary. Each of the two forces can be considered the action, the other force is its associated reaction.




Added 10/24/2012 1:19:09 AM
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