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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman
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Calculate the torque (magnitude and direction) about point

Chapter 4, Problem 1E

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QUESTION:

Calculate the torque (magnitude and direction) about point ?O? due to the force in each of the cases sketched in ?Fig. E10.1.? In each case, the force and the rod both lie in the plane of the page, the rod has length 4.00 m, and the force has magnitude F = 10.0 N.

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QUESTION:

Calculate the torque (magnitude and direction) about point ?O? due to the force in each of the cases sketched in ?Fig. E10.1.? In each case, the force and the rod both lie in the plane of the page, the rod has length 4.00 m, and the force has magnitude F = 10.0 N.

ANSWER:

Solution 1E Step 1 of 8: For the rotational effect of force ,the magnitude and direction of the force applied are important and also the point on the body where the force is applied. As the resultant rotational force know as torque is given by, = r × F = r F sin Where is torque, F is the applied force and r is the distance at which force is applied with angle between them as . Also we can find the direction of torque using right hand thumb rule for cross product of F and r.

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