Physics-
General
Easy

Question

The coefficient of friction between 4 kg and 5 kg blocks is 0.2 and between 5 kg block and ground is 0.1 respectively. Choose the correct statements

  1. Minimum force needed to cause system to moves is 17 N    
  2. When force is 4 N static friction at all surfaces is 4 N to keep system at rest    
  3. Maximum acceleration of 4 kg block is 2 text end text m divided by s to the power of 2 end exponent    
  4. Slipping between 4 kg and 5 kg blocks start when F is 17 N.    

The correct answer is: Maximum acceleration of 4 kg block is 2 text end text m divided by s to the power of 2 end exponent

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