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Tardigrade
Question
Physics
What is the minimum value of F needed so that block begins to move upward on frictionless incline plane as shown
Q. What is the minimum value of
F
needed so that block begins to move upward on frictionless incline plane as shown
5071
208
Laws of Motion
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A
M
g
tan
(
2
θ
)
33%
B
M
g
cot
(
2
θ
)
22%
C
(
1
+
s
i
n
θ
)
M
g
s
i
n
θ
22%
D
M
g
sin
(
2
θ
)
22%
Solution:
F
+
F
cos
θ
=
m
g
sin
θ
F
=
1
+
c
o
s
θ
m
g
s
i
n
θ
F
=
2
c
o
s
2
2
θ
m
g
2
s
i
n
2
θ
c
o
s
2
θ
=
m
g
tan
2
θ
(
∵
sin
θ
=
2
sin
2
θ
⋅
cos
2
θ
and
1
+
cos
θ
=
2
cos
2
2
θ
)