Physic

ON is the vertical plumb line.A horizontal force F applies at M to push the piston at O and N,with the help of rods MO,MN.The rods MO,MN have the same length,when the distance of ON is 200cm,the distance of M to the plumb line ON is 10cm.Assuming the weight of the piston and the rods are negligible,ehat is the total compressive force acting on the object W?

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asked by Joey

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