A 40 KG BOY SITS 1.5 M FROM THE FULCRUM OF THE SEE SAW . WHERE SHOULD ANOTHER BOY OF 30 KG SIT ON THE OTHER SIDE OF THE SEE SAW TO BALANCE IT ?
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Answer:
The moment of force on both side of the fulcrum must be same to the balance. Hence, Another boy sits 1.6 m from the fulcrum.
Explanation:
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