A particle moving with velocity $\vec{v}$ is acted by three forces shown by the vector triangle PQR. The veloc

Question

A particle moving with velocity $\vec{v}$ is acted by three forces shown by the vector triangle PQR. The velocity of the particle will :

Accepted Answer

As forces are forming a closed loop in the same order, the net force $\vec{F}_{net} = 0$. Since $\vec{F}_{net} = m \frac{d\vec{v}}{dt} = 0$, the velocity $\vec{v}$ remains constant.

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