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Physics
Physics
Problem
A spring balance shows a reading W (in newton) when a body is suspended from it. If g is the acceleration due to gravity, which relation gives the mass m (in kilogram) of the body? a)
m
=
W
2
g
m = \dfrac{W}{2g}
m
=
2
g
W
b)
m
=
W
g
m = \dfrac{W}{g}
m
=
g
W
c)
m
=
2
W
g
m = \dfrac{2W}{g}
m
=
g
2
W
d)
m
=
W
9.8
m
s
−
2
m = \dfrac{W}{9.8\,\text{m\,s}^{-2}}
m
=
9.8
m
s
−
2
W
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