A particle is moving along a straight line with increasing speed. Its angular momentum about a fixed point on this line

  • A

    Goes on increasing

  • B

    Goes on decreasing

  • C

    May be increasing or decreasing depending on direction of motion

  • D

    Remains zero

Similar Questions

Why the angular momentum perpendicular to the axis ${L_ \bot }$ in a rotational motion about a fixed axis ? 

The position of a particle is given by : $\overrightarrow {r\,}  = (\hat i + 2\hat j - \hat k)$ and momentum $\overrightarrow P  = (3\hat i + 4\hat j - 2\hat k)$. The angular momentum is perpendicular to        

Given $V _{ CM }=2\; m / s , m =2\; kg , R =4\; m $

Find angular momentum of ring about origin if it is in pure rolling. $kgm ^{2} / s$

  • [AIIMS 2019]

A solid cylinder of mass $2\ kg$ and radius $0.2\,m$ is rotating about its own axis without friction with angular velocity $3\,rad/s$. A particle of mass $0.5\ kg$ and moving with a velocity $5\ m/s$ strikes the cylinder and sticks to it as shown in figure. The angular momentum of the cylinder before collision will be ........ $J-s$

Obtain the relation between torque of a system of particles and angular moment.