Questions
If the unit of force is 1N, the unit of work done is 20 J and the unit of time is 1 second, the unit of mass is
a
10Kg
b
1Kg
c
0.05Kg
d
100Kg
detailed solution
Correct option is C
W=F.L 20 J = 1 N L20 Nm =1 NL L= 20 mF=MLT−21 N=M20 m(1s)−21 Kg m s-2 =M 20 m1 s-2M=120=0.05KgTalk to our academic expert!
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The quantities A and B are related by the relation A/B = m, where m is the linear mass density and A is the force, the dimensions of B will be
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