37. Figure shows two pulley arrangements for lifting a mass m. In (a) the mass is...

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37. Figure shows two pulley arrangements for lifting a mass m. In (a) the mass is lifted by attaching a mass 2m while in (b) the mass is lifted by pulling the other end with a down ward force F=2mg, If f, and f, are the acceleration of the two mass then: F=2mg Im Im 1) f, = f, 2) f, = f, /2 3) f, = f, /3 4) f, = 2f, 37. Figure shows two pulley arrangements for lifting a mass m. In (a) the mass is lifted by attaching a mass 2m while in (b) the mass is lifted by pulling the other end with a down ward force F=2mg, If f, and f, are the acceleration of the two mass then: F=2mg Im Im 1) f, = f, 2) f, = f, /2 3) f, = f, /3 4) f, = 2f,