contestada

i think that the hand pulling the spool does more work than the hand pulling the block since the string unwinds as

Respuesta :

Yes, because the string unwinds, pulling force the spool with the hand requires more effort than pushing force the block with the hand. As a result, the string unwind on the spool will unwind.

Causing the hand tugging on it to advance further than the hand pulling force on the block. This increases the spool's need for effort along the distance (greater KE as a result of rotational + translational work). to exert force on (anything) to produce or tend to cause motion in the direction of the exerted force. A force in  string unwind  is an effect that has the power to alter an object's motion. A force can cause an object with mass to change its velocity, or accelerate (for example, moving from a condition of rest). Intuitively, a push or pull might be used to describe force.

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