Analytical mechanics for students of physics and engineering (1913)
Dadourian, Haroutune Mugurditch, 1878- · New York, D. Van Nostrand Company · leaf 183
the force and the motion are inthe same direction. Therefore the work done is Wthe = mgh,vertical height of B where habove A. (b) Suppose the particle to be takenalong the straight line AB. This comesunder Case II. The angle between theforce and the direction of motion isconstant. Therefore W = mgl… … Fia. 93. W = nig j cos adsJo = mi/ j <llt [since ds cos a = dh] = mgh. WORK- 167 Therefore the work dom against the gravitational force intaking a body from one position to another depends only uponthe vertical height through which the body is raised and not upon the path. 130. Dimensions and…
Mechanics, Analytic
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