Q. What will be the time period of the pendulum of length l suspended from the ceiling of a cart which is sliding without friction on an inclined plane of inclination θ ?

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A

B

C

D

Solution:

Here, point of suspension has an acceleration. = g sin θ (down the plane). Further, can be resolved into two components g sin θ (along the plane) and g cos θ (perpendicular to plane).

= g cosθ (perpendicular to plane)

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