Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 26
Fig. 7 (b) the follower. WORK AND ENERGY In the Briggs dynamometer the belt transmitting theenergy to be measured passes over two equal pulleys,Fig. 8, and over two idle pulleys attached to a frame, A, … Fig. 8 SO arranged as to allow only a sUght vertical motion.The weight of this frame and its pulleys is balanced by acounter-weight w. When the belt transmits no energythe frame, A, takes a symmetrical position. As soon asenergy is transmitted the frame tends to move down-ward owing to the…
Mechanics
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