Physics-
General
Easy

Question

A block of mass 300 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 1 text end text m s to the power of negative 1 end exponent ?

  1. 150 N    
  2. 100 N    
  3. 300 N    
  4. 50 N    

The correct answer is: 150 N

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