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80. The freebody diagram for the stone is shown on the right,
with
F
G
being the force applied to the stone,
N
F
G
the
downward
normal force of the ceiling on the stone,
mg
G
the force of gravity,
and
G
f
the force of friction. We take the +
x
direction to be
horizontal to the right and the +
y
direction to be up. The
equations for the
x
and the
y
components of the force according
to Newton’s second law are:
cos
sin
0
x
yN
FF
fm
a
Fm
g
θ
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Force, Friction, Gravity

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