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 689
mere explosion, or a blow, the source of sound isin a state of vibration. Most vibrating bodies, unless their motionbe very great, execute a simple harmonic motion (p. 220), or theirvibration consists of a combination of simple harmonic motions.Hence it is very important to understand the nature of… … FlG. 608.—Diagram to represent simple harmonic motion. Thus, if the vector OA rotates with uniform angular velocity abouta point O (Fig. 608) its projection upon any fixed line, say OE,represents a simple harmonic motion. At the instant given, thevector is in the position OA, making angle 6, with…
Physics
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