Laws Of Motion Question 83

Question: 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[AIEEE 2003]

Options:

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

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Answer:

Correct Answer: A

Solution:

Net force on the particle is zero so the $ \overrightarrow{v} $ remains unchanged.



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