(a) What is the mechanical advantage of a nail puller--similar to the one shown in Figure 5.15--where you exert a force 45.0 cm from the pivot and the nail is 1.75 cm on the other side? (b) What minimum force must you exert to apply a force of 1200 N to the nail? _______ N

(a) What is the mechanical advantage of a nail puller--similar to the one shown in Figure 5.15--where you exert a force 45.0 cm from the pivot and the nail is 1.75 cm on the other side? (b) What minimum force must you exert to apply a force of 1200 N to the nail? _______ N

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 71A

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

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(a) What is the mechanical advantage of a nail puller--similar to the one shown in Figure 5.15--where you exert a force 45.0 cm from the pivot and the nail is 1.75 cm on the other side?

(b) What minimum force must you exert to apply a force of 1200 N to the nail?
_______ N

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