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Physics
Physics
Problem
Identify the correct expression for the weight
W
W
W
of a body of mass
m
m
m
placed in a gravitational field of intensity
g
g
g
. a)
W
=
m
g
cos
θ
W = mg\cos\theta
W
=
m
g
cos
θ
b)
W
=
m
g
W = mg
W
=
m
g
c)
W
=
−
m
g
W = -mg
W
=
−
m
g
d)
W
=
2
m
g
W = 2mg
W
=
2
m
g
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