Question

A heavy wheel of radius $20cm$ and weight $10kg$ is to be dragged over a step of height $10cm$, by a horizontal force $F$ applied at the centre of the wheel. The minimum value of $F$ is:

• A. $20kgwt$
• B. $1kgwt$
• C. $10\sqrt{3}kgwt$
• D. $10\sqrt{2}kgwt$

Answer 1

The correct option is C $10\sqrt{3}kgwt$

Hence, option $\left(C\right)$ is correct answer.