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Physics
Physics
Problem
Which of the following expressions gives the magnitude of the gravitational force (weight) acting on an object of mass
m
m
m
located near the surface of a planet where the gravitational field strength is
g
g
g
? a)
F
=
G
M
m
R
2
F = \dfrac{GMm}{R^{2}}
F
=
R
2
GM
m
b)
F
=
2
m
g
F = 2mg
F
=
2
m
g
c)
F
=
m
g
F = mg
F
=
m
g
d)
F
=
m
g
cos
θ
F = mg\cos\theta
F
=
m
g
cos
θ
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