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A pendulum of lenght l has a bob of mass m and hung from seling acceleration of car if car acceleration os g/√2 m/s^2 find angle

A pendulum of lenght l has a bob of mass m and hung from seling acceleration of car if car acceleration os g/√2 m/s^2 find angle

Grade:12th pass

1 Answers

Shailendra Kumar Sharma
188 Points
6 years ago
There are two forces acting on the pendulum Bob at in these situations. 
 
  1. mg towards the ground
  2. mg/√2 towards opposite to the car direction.
To remain in balance the force must be balanced in the perpendicular direction to the connecting thread.
Now Assuming the pendulum makes an angle A than 
mgSinA=mg/√2cosA
thus tanA =1/√2
 

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