Pulleys and strings are massless. The horizontal surface is smooth. The acceleration of the block is

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Q: Pulleys and strings are massless. The horizontal surface is smooth. The acceleration of the block is

Numerical

(a) F/2m

(b) F/m

(c) 2F/m

(d) m/2F

Click to See Answer :
Ans: (a)
Sol: F = 2T
T = m a
Hence, a = F/2m

 

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