Q. A particle of mass $M$ is moving in a horizontal circle of radius $R$ with uniform speed $v$. When it moves from one point to a diametrically opposite point, its
A) Momentum does not change
B) Momentum changes by 2$Mv$
C) KE changes by $Mv^{2}$
D) None of the above
Explanation
The correct answer is Option B: Momentum changes by 2$Mv$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.