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4-1.Newton's Laws of Motion
easy
Three forces starts 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 $ABC$ (as shown). The particle will now move with velocity
A
$\overrightarrow {v\,} $ remaining unchanged
B
Less than $\overrightarrow {v\,} $
C
Greater than $\overrightarrow {v\,} $
D
$\overrightarrow {v\,} $ in the direction of the largest force $BC$
(AIEEE-2003)
Solution
(a)Net force on the particle is zero so the $\overrightarrow v $ remains unchanged.
Standard 11
Physics
