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NEET PHYSICSEasy

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

1

Increase

2

Decrease

3

Remain constant

4

Change according to the smallest force QR‾\overline{QR}

Step-by-Step Solution

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

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