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Two pulley arrangements of figure given are identical. The mass of the rope is negligible. In fig (a), the mass m is lifted by attaching a mass 2 m to the other end of the rope. In fig (b), m is lifted up by pulling the other end of the rope with a constant downward force F=2mg. The acceleration of m in the two cases are respectively |
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Answer» Two pulley arrangements of figure given are identical. The mass of the rope is negligible. In fig (a), the mass m is lifted by attaching a mass 2 m to the other end of the rope. In fig (b), m is lifted up by pulling the other end of the rope with a constant downward force F=2mg. The acceleration of m in the two cases are respectively |
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