A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 539
the engine, anddoes not represent the power which the engine is capable of givingout in the useful form of driving machinery. To obtain the latter,the energy given out by the engine may be absorbed by the resistanceoffered by a brake. A type of brake suitable for testing enginesof comparatively… … k. Fig. 471.—A common form of rope break. attached to one end and a spring balance to the other end of therope. As arranged in Fig. 471, the wheel rotates anticlockwise. The load W resists the rotation ofthe wheel, and the pull P of thespring balance is assisting the rota-tion ; both these forces…
Physics
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