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Physics
Physics
Problem
Which of the following relations correctly connects weight
W
W
W
, mass
m
m
m
, and acceleration due to gravity
g
g
g
near Earth’s surface? a)
W
=
−
m
g
W = -mg
W
=
−
m
g
b)
W
=
m
g
W = mg
W
=
m
g
c)
W
=
m
g
10
W = \dfrac{mg}{10}
W
=
10
m
g
d)
W
=
m
g
cos
30
∘
W = mg\cos 30^{\circ}
W
=
m
g
cos
3
0
∘
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