Chemistry, 29.06.2019 11:00 maxirico080

You and your friends are building a treehouse, and you need a machine to get a heavy load of wood from the ground to the top of the tree. you set up a pulley system that allows you to pull down on the rope to lift the wood. what type of pulley system was this and how did it make work easier? question 9 options: fixed pulley by changing the direction of input force. movable pulley by decreasing input force but not the direction.

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You and your friends are building a treehouse, and you need a machine to get a heavy load of wood fr...