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Question

The rod is slipping. Velocity and acceleration of one end of rod are given. Find the angular speed and the acceleration of corner P.


A

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B

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C

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D

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Solution

The correct option is A


Given
tan θ=34 sin θ=35; cos θ=45
v=Rω
vA=(5sinθ)ω
ω=vA5sinθ=105(35)=103rad/s
Along the length of the rod, aA cosθ=aB sinθ
aB=aAcosθsinθ
=(2)(45)(35)=83m/s2


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