A boy of 20kg weight sits at a distance of 1.2 m from the fulcrom of a see-saw Another boy balances the see-saw on silting at a distance of 50 cm from the fulcrum. Calculate his weight?
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Answer:
Let the distance of 40 kg. from the mean position be 'x' m.
Using principle of moments,
30×2=40×x
x=1.5m.
A boy of mass 40 kg should sit at 1.5m from the middle of see-saw.
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Answer:
48 kg
Explanation:
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