Analytical mechanics for students of physics and engineering (1913)
Dadourian, Haroutune Mugurditch, 1878- · New York, D. Van Nostrand Company · leaf 284
em of bodies,which is acted upon by one or more external torques. Forthe sake of simplicity supposethe planes of the torques to beparallel to the plane of thepaper, and the axis of rotationto pass through the point 0 andto be perpendicular to the planeof the paper. Let dF be theresultant force… … Fig. 122. dG dm • 1 d /■ dt (r2*) [p. 97] dm •-, (r2«)dt = | (r=,/,„ »). 268 ANALYTICAL MECHANICS Therefore the resultant external torque acting upon thebody is or G=|(/w) (III) where / is supposed to vary with the time. Equation (III)is the genera] form of torque equation, of which equation(V) of…
Mechanics, Analytic
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