Lester prepares to lift a heavy sack of flour into a customer's shopping cart. During which part of the action does Lester do work?

Question

Chaim Alvarez

Physics

4 October, 04:43

Lester prepares to lift a heavy sack of flour into a customer's shopping cart. During which part of the action does Lester do work?

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Hailey Pugh · Answer 1

Work is done once Lester lifts the heavy sack of flour into the cart. Work can only be observed when a force is applied on an object which causes it to move from its original position. It was because of Lester’s upward force on the sack that it was moved.