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

A heavy wheel of radius 20 cm and weight 10 kg is to be dragged over a

1.	A heavy wheel of radius 20 cm and weight 10 kg is to be dragged over a step of height 10 cm, by a horizontal force F applied at the centre of the wheel. The minimum value of F is
Answer» 20 kgwt 1 kg wt `10 sqrt(3)` kg wt `10 sqrt(2)` kgwt ANSWER :C