A truck is stationary and has a bob suspended by a light string, in a frame attached to the truck. The truck suddenly moves to the right with an acceleration of a. The pendulum will tilt
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a
to the left and angle of inclination of the pendulum with the vertical is tan-1ga
b
to the left and angle of inclination of the pendulum with the vertical is sin-1ga
c
to the left and angle of inclination of the pendulum with the vertical is tan-1ag
d
to the left and angle of inclination of the pendulum with the vertical is sin-1ag
answer is C.
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Detailed Solution
From the frame of truckTsinθ = maTcosθ = mgtanθ=agθ=tan-1ag