In figure forces F1 and F2 have magnitudes 20N and 15N respectively and act on a disk nailed at point P as shown. a) What torque (magnitude and direction) does each of these forces exert on the disk about point P? b) What is the net torque exerted? y 60° m 450 6 m X T

In figure forces F1 and F2 have magnitudes 20N and 15N respectively and act on a disk nailed at point P as shown. a) What torque (magnitude and direction) does each of these forces exert on the disk about point P? b) What is the net torque exerted? y 60° m 450 6 m X T

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 82A

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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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In figure forces F1 and F2 have magnitudes 20N and 15N respectively and act on a disk nailed at point P as shown.
a) What torque (magnitude and direction) does each of these forces exert on the disk about point P? b) What is the net
torque exerted?
y
60°
m
45°
X
6 m

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