Rotation Is It?

Classical Mechanics Level 4

A sphere of radius 4 4 m is rested on a inclined plane with angle 6 0 o 60^o by means of a obstacle of height h h . What must be the minimum height h h for which sphere does not fall down the plane.

Clarification

  • The object is kept on the front of the obstacle not rolled from the above of the inclined plane.


The answer is 2.

Md Zuhair by Md Zuhair , 20, India

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1 solution

Md Zuhair
Dec 1, 2016

Now after putting the values of θ \theta = 6 0 o 60^o and R = 4 m R=4m we get h=2 m

Ans 2 2 meters

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