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Q-1 : A bodu weighs 8 gm when placed in one pan and 18 when placed on a other pan of a false balance . If the beam is horizontal when both the pans are empty , the true weight of the body is Q-2 : when one swims across a river max. energy is spent in second 1/3 of the distance why ?

Q-1 : A bodu weighs 8 gm when placed in one pan and 18 when placed on a other pan of a false balance . If the beam is horizontal when both the pans are empty , the true weight of the body is


Q-2 : when one swims across a river max. energy is spent in second 1/3 of the distance why ?

Grade:12

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