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A uniform rod of mass m and length l is pivoted at a point on the ground. The rod is initially in vertical position and touching a block of mass M which is at rest on a horizontal surface. The rod is given a push of negligible force and it starts rotating about that point. This causes the block to move forward. The rod loses contact with the block at θ = 30° with horizontal. All surfaces are smooth. Find M/m

A uniform rod of mass m and length l is pivoted at a point on the ground. The rod is initially in vertical position and touching a block of mass M which is at rest on a horizontal surface. The rod is given a push of negligible force and it starts rotating about that point. This causes the block to move forward. The rod loses contact with the block at θ = 30° with horizontal. All surfaces are smooth. Find M/m

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Dear student
 
I am getting my answer as M/m = 4:3
 
Please check and let me know if this is correct then I will share my solution

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