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Physics
Physics
Problem
A block of mass
m
m
m
is pressed against a smooth vertical wall by a horizontal force
F
F
F
. What is the magnitude of the normal reaction exerted by the wall on the block? a)
F
2
+
m
2
g
2
\sqrt{F^{2}+m^{2}g^{2}}
F
2
+
m
2
g
2
b)
2
F
2F
2
F
c)
F
F
F
d)
m
g
mg
m
g
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