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Easy

Question

A block of mass 1 kg is at rest relative to a smooth wedge moving leftwards with constant acceleration a equals 5 blank m divided by s to the power of 2 end exponent. Let N be the normal reaction between the block and the wedge. Then : open parentheses g equals 10 blank m divided by s to the power of 2 end exponent close parentheses

  1. N equals 5 square root of 5 N    
  2. N equals 15 N    
  3. N=25    
  4. N=20    

The correct answer is: N equals 5 square root of 5 N

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