A block of mass 200 kg is set into motion on a frictionless horizontal surface with the help of frictionless pulley and a rope system as shown in figure. What horizontal force F should be applied to produce in the block an acceleration of 
?
Text Solution
Verified by ExpertsThe correct answer is:
B
As shown in figure, when force F is applied at the end of the string, the tension in the lower
part of the string is also F. If T is the tension in string connecting the pulley and the block, then
But 
or 
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