Title: How does the pulley make work easier? Post by: afret on Mar 24, 2023 How does the pulley make work easier?
a It changes the mass of the piano, making it easy to raise b It changes the direction of the force applied to raise the piano c It changes the duration of time to raise the piano d It changes the amount of energy needed to raise the piano Title: Re: How does the pulley make work easier? Post by: ginastar on Mar 24, 2023 Content hidden
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