Using a vector diagram, explain why it is easier to do chin-ups when your hands are...

 

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Using a vector diagram, explain why it is easier to do chin-ups when your hands are 30 cm apart instead of 90 cm apart. (Assume that the force exerted by your arms is the same in both cases.) Using a vector diagram, explain why it is easier to do chin-ups when your hands are 30 cm apart instead of 90 cm apart. (Assume that the force exerted by your arms is the same in both cases.)

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Lets illustrate this with vector diagrams Hands 30 cm Apart Draw a vertical line representi... View the full answer