A body of mass $5 \mathrm{~kg}$ is moving with a momentum of $10 \mathrm{~kg} \mathrm{~ms}^{-1}$. Now a force of $2 \mathrm{~N}$ acts on the body in the direction of its motion for $5 \mathrm{~s}$. The increase in the Kinetic energy of the body is ___________ $\mathrm{J}$.