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A load of mass 40 kg rests a smooth inclined plane of angle to the horizontal. The block is attached to an unknown weight with a rope over a pulley so that it does not slip down the slope - see picture. What is the mass of the unknown weight?
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to the horizontal. The block is attached to an unknown weight with a rope over a pulley so that it does not slip down the slope - see picture. What is the mass of the unknown weight?
