engineering recuitment HPCL Junior Executive 2025 Mock Test Engineering Mechanics Equilibrium and Friction Friction
A four wheel tractor whose operating weight is 13,000 kg is pulled along a level haul road at a uniform speed by another tractor. The average tension in the toe cable is 585 kg. The rolling resistance of the haul road is
1
25 Kg/t
2
35 Kg/t
3
45 Kg/t
4
60 Kg/t