1.

The weight of a body in air is 100 N. How much will it weight in water, if it displaces 400 cc of water ?

Answer»

96 N
94 N
98 N
none of these

Solution :Upthrust = WEIGHT of water DISPLACED = `0.4 xx 9.8= 3.92 N`
APPARENT weight = `100 - 3.92 = 96.08 N`


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