Rotational Motion Question 5
Question: A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of the particle about O?
[AIEEE 2002]
Options:
A) mvL
B) mvl
C) mvr
D) 0
Show Answer
Answer:
Correct Answer: B
Solution:
- [b] The angular momentum of a body of constant mass and constant velocity depends upon the perpendicular distance from a fixed point (origin).
Angular momentum of particle about 0
$ L=m(r\times v) $
$ | L |=mv\sin \theta =mv(r\sin \theta )=mvl $
BETA
