Questions
A particle moving with velocity is acted by three forces shown by the vector triangle PQR. The velocity of the particle will [NEET 2019]
a
decrease
b
remain constant
c
change according to the smallest force QR
d
increase
detailed solution
Correct option is B
As the three forces are represented by three sides of a triangle taken in order, then they will be in equilibrium.⇒ Fnet =FPQ+FQR+FRP=0Fnet =m×a=mdvdt=0⇒ dvdt=0 or v= constant So, the velocity of particle remain constant.Talk to our academic expert!
Similar Questions
A body is in equilibrium under the action of three coplanar forces P, Q and R are shown in the figure. Select the correct statement.
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