5. With a wheel and axle, a force of 80 N applied to the rim of the new wheel can lift a load of 640 N. The diameters of the wheel and axle are 36 cm and 4 cm, respectively. Determine the AMA, IMA, and the efficiency of the machine 6 The screw of a certain press has a pitch of 0.20 cm. The diameter of the wheel to which a tangential turning force is applied if 55 cm. If the efficiency is 40 percent, how large must Force be to produce a force of 12 kN in the press?

5. With a wheel and axle, a force of 80 N applied to the rim of the new wheel can lift a load of 640 N. The diameters of the wheel and axle are 36 cm and 4 cm, respectively. Determine the AMA, IMA, and the efficiency of the machine 6 The screw of a certain press has a pitch of 0.20 cm. The diameter of the wheel to which a tangential turning force is applied if 55 cm. If the efficiency is 40 percent, how large must Force be to produce a force of 12 kN in the press?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section: Chapter Questions

Problem 71A

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