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When the athlete holds the barbell overhead, the reaction
Chapter 4, Problem 15E(choose chapter or problem)
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Questions & Answers
QUESTION:
When the athlete holds the barbell overhead, the reaction force is the weight of the barbell on his hand. How does this force vary for the case in which the barbell is accelerated upward? Downward? Step-by-step solution
ANSWER:ANSWER: STEP 1:- To answer the question let’s have a look on this example. When you are standing in an elevator and the elevator is not moving at all, then you apply a force downward on the elevator’s floor. At the same time the floor pushes you with the same force which is called the normal force. These two forces balance each other so you are in equilibrium. This normal force is defined as the weight of the object in phys
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