Three forces start acting

Question:

Three forces start acting simultaneously on a particle moving with velocity $\vec{v}$. These forces are represented in magnitude and direction by the three sides of a triangle $\mathrm{ABC}$ (as shown). The particle will now move with velocity-

  1. Less than $\vec{v}$

  2. greater than $\vec{v}$

  3. $|\mathrm{v}|$ in the direction of largest force $\mathrm{BC}$

  4. $\vec{v}$, remaining unchanged

Correct Option: , 4

Solution:

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