A particle of mass $m$ is executing uniform circular motion on a path of radius $r$. If $p$ is the magnitude of its linear momentum. The radial force acting on the particle is
A particle of mass $m$ is executing uniform circular motion on a path of radius $r$. If $p$ is the magnitude of its linear momentum. The radial force acting on the particle is
$pmr$
$\frac{{rm}}{p}$
$\frac{{m{p^2}}}{r}$
$\frac{{{p^2}}}{{rm}}$
A particle of mass $m$ is executing uniform circular motion on a path of radius $r$. If $p$ is the magnitude of its linear momentum. The radial force acting on the particle is
Radial force $ = \frac{{m{v^2}}}{r} = \frac{m}{r}{\left( {\frac{p}{m}} \right)^2} = \frac{{{p^2}}}{{mr}}$ [As $p = mv$]