Physics-
General
Easy

Question

A trolley is accelerating down an incline of angle theta with acceleration g sintheta. Which of the following is correct. (alpha is the angle made by the string with vertical).

  1. alpha equals theta    
  2. alpha equals 0 to the power of 0 end exponent    
  3. Tension in the string, T = mg    
  4. Tension in the string, T = mg sec theta    

The correct answer is: Tension in the string, T = mg sec theta

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