Question

A sphere is released on a smooth inclined plane from the top. When it moves down its angular momentum is:      

(1)  conserved about every point

(2)  conserved about the point of contact only   

(3)  Conserved about the centre of the sphere only  

(4)  conserved about any point on a line parallel to the inclined plane and passing through
      the centre of the ball.​

Answer 1

Step-by-step explanation:

Answer:

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Answer 2

Answer:

(2) conserved about the point of contact only