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Q) (Refer diagram) A small body slides from rest along two equally rough circular shaped surfaces from A to B through part 1 and part 2 of equal radius if V1 and V2 are the speed of the block at point B via A Part 1 and 2 then,

A)V1>V2

B)V1

qsnImg
Asked by Anish 2nd December 2018, 11:57 AM
Answered by Expert
Answer:
In path 1 weight (mg) of body dominates so it will try to make stick the body to the surface.
But in path 2 normal reaction from surface dominates. If normal force will dominates the body will try to leave the surface . So to for motion to be smooth velocity in this case must be low other wise body will leave the contact.
 
V1>V2
 
Diagram is attached.
Answered by Expert 2nd December 2018, 10:33 PM
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