engineering recuitment NHPC JE & THDC JE 2023 Mock Test Engineering Mechanics Equilibrium and Friction Friction
A steel wheel of 600 mm diameter rolls on a horizontal steel rail. It carries a load of 500 N. The coefficient of rolling resistance is 0.3 mm. The force in N, necessary to roll the wheel along the rail is:
1
0.5
2
5
3
150
4
1500