Physics · Laws of Motion
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:
- 1to the left and angle of inclination of the pendulum with the vertical is tan-1(a/g)✓
- 2to the left and angle of inclination of the pendulum with the vertical is sin-1(g/a)
- 3to the left and angle of inclination of the pendulum with the vertical is cos-1(g/a)
- 4to the left and angle of inclination of the pendulum with the vertical is sin-1(a/g)
Correct answer
to the left and angle of inclination of the pendulum with the vertical is tan-1(a/g)
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