When You Want To Pull Downward To Lift Something,the Main Advantage Of Passing A Rope Upward And Throught A Single Pulley,rather Than Just Up Over The Branch Of A Tree Is That The Pulley?


4 Answers

ray of light Profile
ray of light answered
The pulley will definitely reduce friction. As the rope would rub against the tree and more force is needed to lift something.
Anonymous Profile
Anonymous answered
Changes the puling direction
Anonymous Profile
Anonymous answered
Makes the rope stronger

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