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Suppose equal weights are put on the two pans of a beam balance, the arm is kept at an angle with the horizontal and released. Is the torque of the two weights about the middle point (point of support) zero? If so, why does the arm rotate and finally become horizontal?

Suppose equal weights are put on the two pans of a beam balance, the arm is kept at an angle with the horizontal and released. Is the torque of the two weights about the middle point (point of support) zero? If so, why does the arm rotate and finally become horizontal?

Grade:12th Pass

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