B8) please no hand writing solution for other wise down vote

A large stone having a mass of 450 kg is moved along the incline using a series of 150-mm-diameter rollers for which the coefficient of rolling resistance is 3 mm at the ground and 4 min at the bottom surface of the stone, (Figure 1) Figure 1 of 1 30Determine the force 7' that will cause the stone to descend the plane at a constant speed. Express your answer to three significant figures and include the appropriate units. HA C T = Value Units Submit Request