The science of mechanics; a critical and historical account of its development (1902)
Mach, Ernst, 1838-1916, McCormick, Thomas Joseph, 1865- tr · Chicago, The Open court publishing company; · leaf 324
h, the string is drawntaut and the body of the motor exhibits the tendencyto rotate in the opposite direction—a rotation which im-mediately takes place when the thread is burnt away.The motor is, with respect to rotation about its THE EXTENSION OF THE PRINCIPLES. 297 axis, a free system. The sum of… … produced which, as the total sum must remain = 0, iscompensated for by the rotation in the opposite direc-tion of the body of the motor. If an index be attachedto the body of the motor and kept in a fixed position 298 7HE SCIENCE OF MECHANICS. by an elastic spring, the rotation of the body of…
Mechanics
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