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Topic Question Set

Q 1 :

A particle moving with velocity v→ is acted by three forces shown by the vector triangle PQR. The velocity of the particle will          [2019]


 

  • change according to the smallest force QR→

     

  • increase

     

  • decrease

     

  • remain constant

     

(4)

As per triangle law, F→1+F→2+F→3=0 i.e., net force on the particle is zero. So, acceleration is also zero.

Hence velocity of the particle will remain constant.