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 174
-An experimental link polygon. P and Q, to the ends of the cord. Choose any values for Wx, W2, W3 andW4, and draw the force polygon for them as shown at abcde. Choose anysuitable pole O, and join O to a, b, c, d and e. Oa and Oe will give the a … Fig. 170.—A hanging cord. magnitudes of P and Q respectively. Fix the ring at A to the board bymeans of a bradawl or pin ; fix the pulley at E so that the direction of thecord AE is parallel to Oa ; fix the ring at B by means of a pin so that thedirection of the cord AB is parallel to Ob. Fix also…
Physics
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