Problem 15: (6% of Assignment Value)
A stack of two blocks rests on a horizontal frictionless surface, as shown. There is friction between the two
blocks, and the coefficient of static friction is µ. An external force with magnitude F is applied to the top block
at an angle θ to the horizontal.
F
M1
M2
What is the maximum magnitude, F, of the applied force such that the two blocks still move together? Give your answer in terms of the variables from the
problem statement in addition to g for the acceleration due to gravity.
F=
cos(a)
cos(p)
cos(0)
(
)
7
8 9 HOME
sin(a)
sin(p)
sin(0)
^
4
5
6
Y
μ
0
*
1
2 3
d
g
m1
+
0
END
m2
n
q
VO
BACKSPAC
DE CLEAR
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