Jogging is a moderate activity as it requires more physical effort compared to light activities like sweeping. Sweeping is a light activity, while jogging involves more intensity and energy.
In the adjoining figure, $\triangle CAB$ is a right triangle, right angled at A and $AD \perp BC$. Prove that $\triangle ADB \sim \triangle CDA$. Further, if $BC = 10$ cm and $CD = 2$ cm, find the length of AD.