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Two satellites A and B are in different circular orbit about the earth. If the orbital speed of satellite A is twice that of
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A pulley system with IMA of 4 requires a force of 15 New Ton tol lift a load of 45 New Ton. Find the efficiency of the machine
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The mechanical advantage of a simple machine is 4.the machine lifts load of 1000 New Ton. What is the force that act's on the machine?
