The angular momentum of a particle relative to a certain point O varies with time as `M=a+bt^2`,
Channel: Doubtnut
Date: 30/08/2020

The angular momentum of a particle relative to a certain point O varies with time as `M=a+bt^2`, where a and b are constant vectors, with `a_|_b`. Find the force moment N relative to the point O acting on the particle when the angle between the vectors N and M equals `45^@`.