A dozer pushes up a 100 kg spool of cable along a 20° incline road at a constant velocity as shown in the figure. The coefficient of static friction between the...

A coal mining company examines the option of buying two types of dumpers with the following details. In order to minimize the operating cost, the optimum fle...

A dump truck moves up an incline of 5° with constant tractive force of 800 kN. The gross mass of the truck is 250 tonne and its rolling resistance is 545 kN. Th...