Sixteen beads in a string are placed on a smooth inclined plane of inclination sin -1 (1/3) such that some of them lie along the incline whereas the rest hang over the top of the plane. If acceleration at first bead is g/2, the arrangement of beads is that
Text Solution
Verified by ExpertsThe correct answer is:
D
If n balls each of mass m are hanging vertically then, nmg – T = nma = 
or T = 
……. (i)
also T – (16 - n) mg sin θ θ
= (16 - n) mg/2
on 
- (16 - n) mg 
= (16 - n) 
or n 
or n = 
= 10
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