A force 
is acting at a point 
. The value of 
for which angular momentum about origin is conserved is
A
zero
B
1
C
D
2
Text Solution
Verified by ExpertsThe correct answer is:
C
: For the conservation of angular momentum about origin, the torque 
acting on the particle will be zero.
By definition, 
Here, 
and 
But 
or 
and 
or 
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