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A car is moving in a circular track of radius 10 metre with a constant speed of 10 m/sec. A plumb bob is suspended from the roof of the car by a light rigid rod of 1 metre long. The angle made by the rod with the track is

A car is moving in a circular track of radius 10 metre with a constant speed of 10 m/sec. A plumb bob is suspended from the roof of the car by a light rigid rod of 1 metre long. The angle made by the rod with the track is

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
576-986_IMG_20200326_121209.jpg
Arun
25750 Points
4 years ago
Dear student
Let θ theta is the angle made by the wire with the vertical.
tan theta = v^2 / rg
put v = 10 m/sec
g = 10 m/s^2
r = 10 m
hence tan theta = 1
hence theta = 45 degree

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