Home Physics Work, Energy, Power and Collision Kinetic Energy If a lighter body (mass M 1 and velocity V 1…
Physics Work, Energy, Power and Collision Kinetic Energy Single Correct MCQ
Published on: September 12, 2026

If a lighter body (mass M 1 and velocity V 1 ) and a heavier body (mass M 2 and velocity V 2 ) have the same kinetic energy, then

A
$M_2 V_2 < M_1 V_1$
B
$M_2 V_2 = M_1 V_1$
C
$M_2 V_1 = M_1 V_2$
D
$M_2 V_2 > M_1 V_1$

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Text Solution

Verified by Experts
The correct answer is:
D

$P = \sqrt{2 m E}.$ If kinetic energy are equal then $P \propto \sqrt{m}$

i.e., heavier body posses large momentum

As $M_1 < M_2$ therefore $M_1 V_1 < M_2 V_2$

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