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Q.

One end of string which passes through pulley and connected to 10 kg mass at other end is pulled by 100 N force. Find out the acceleration of 10 kg mass(in SI units).   (g=9.8m/s2)

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Detailed Solution

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Since string is pulled by 100 N force. So tension in the string is 100 N. F.B.D. of 10 kg block 
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100  10 g = 10 a
  10010×9.8=10 a
 a=0.2  m/s2

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