A motor drives a rope drum of 820 mm diameter, which in turn drags a component of mass 650 kg, 175 m up a slope that makes an angle of 8 degrees to the horizontal. the component starts from rest and uniformly reaches a velocity of 5.3 m/s on completion of its journey. use d'alembert's principle to determine:

Question

A motor drives a rope drum of 820 mm diameter, which in turn drags a component of mass 650 kg, 175 m up a slope that makes an angle of 8 degrees to the horizontal. the component starts from rest and uniformly reaches a velocity of 5.3 m/s on completion of its journey. use d'alembert's principle to determine:
a) the force requires from the cable to complete the task if the coefficient of friction between the matig surfaces is 0.37
b) the input torque supplied to the drum by the motor id the mass of the drum is 105 kg and its radius of gyration is 280mm. take the frictional torque in the bearings as 6Nm
c) the work done
d) the power displaced by the motor