First slide

Angular momentum

Question

A particle of mass m moves along the path PC with velocity V as shown in fig. (9) . The angular momentum of the particle about O is

Moderate

A

m v L
B

m v l
C

m v r
D

Zero

Solution

We know that
$L = m (r \times v)$
or $| L | = mvrsin θ = mv (rsin θ)$
=mv I

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