Perform sit-­up exercises under the following conditions: 1) arms folded across the chest, 2) hands behind...

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Mechanical Engineering

Perform sit-­up exercises under the following conditions: 1)arms folded across the chest, 2) hands behind the neck, 3) holdinga five­ pound weight above the head. Write a paragraph explainingyour findings and draw a free body diagram showingthe Applied Force, Resistance, and Axis ofrotation.

Explanation:

?Free body diagram:

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