A pendulum of length $1 \mathrm{~m}$ and having a bob of mass $1 \mathrm{~g}$ is pulled aside through an…
A pendulum of length $1 \mathrm{~m}$ and having a bob of mass $1 \mathrm{~g}$ is pulled aside through an angle $60^{\circ}$ with the vertical and then released. The power delivered by all the forces acting on the bob when the pendulum makes $30^{\circ}$ with the vertical is ____ $\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)$