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0 votes
7.4k views
in Physics by (69.7k points)

What should be the minimum force ‘P’to be applied to the string so that block of mass‘m’ just begins to move up the friction less plane.

(D) None

1 Answer

+1 vote
by (69.2k points)
selected by
 
Best answer

From force diagram of pulley,

P + P cos θ = T

From force diagram of block :

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