Question:

20.A small particle of mass 0.36 g rest on a horizontal turntable at a distance 25 cm from the axis of spindle. The turntable is accelerated at a rate of  = 1/3 rad/s–2. The frictional force that the table exerts on the particle 2 s after the startup is-

Options :

  • a) 40μN
  • b) 30μN
  • c) 50μN
  • d) 60μN

Answer :

c) 50μN

Answer Steps :

Step1 :-

Step2 :-

 

 

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