Kinematics Question 730

Question: A particle of mass m it’s executing uniform circular motion on a path of radius r . If p it’s the magnitude of it’s linear momentum. The radial force acting on the particle is [MP PET 1994]

Options:

A) pmr

B) rmp

C) mp2r

D) p2rm

Show Answer

Answer:

Correct Answer: D

Solution:

Radial force =mv2r=mr(pm)2=p2mr [As p = mv]

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