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A wooden plank AB has a weight of 12 kgf. It balances a weight of 3 kgf is placed at A, which is 1.2 m away from the pivot. Determine the length of the wooden plank. Ans - 3 m |
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Answer» 1.6mExplanation:Torque 0F 40KG weight MUST be equal and OPPOSITE totorque of 30kg weightTorque =force×arm length40kg×g×1.2m=30kg×g×xX=1.6m |
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