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Q.

If unit of force is 100 N, unit of power is 1000 watt and unit of time is 10 sec, then the unit of mass is

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a

100 kg

b

10 kg

c

0.1 kg

d

1 kg

answer is B.

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Detailed Solution

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FT = MV
M=FTV again P=FV;v=PF then M=FTP×F M=F2TP=(100)2×101000=100Kg

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