. The principles of physics. onlyi period, then the resultant motionwill be a circle, or an ellipse, accord-ing as the component amplitudes are equal or not. If the differenceof phase be a fraction of a period not as simple as J or |, then theresultant motion in general will be an ellipse with its center at O,the positioji of its major axis depending on the relation of the com-ponent amplitudes and on the difference of phase. Experiment 1. — The principles given above may be verified•experimentally by the use of an approximately simple fill a small glass funnel (Fig. 19) with f
. The principles of physics. onlyi period, then the resultant motionwill be a circle, or an ellipse, accord-ing as the component amplitudes are equal or not. If the differenceof phase be a fraction of a period not as simple as J or |, then theresultant motion in general will be an ellipse with its center at O,the positioji of its major axis depending on the relation of the com-ponent amplitudes and on the difference of phase. Experiment 1. — The principles given above may be verified•experimentally by the use of an approximately simple fill a small glass funnel (Fig. 19) with fine dark writing sandand suspend it from a frame above by means of a string (say) 1 mlong. It can be made to oscillate at will in any direction and thesand falling upon a horizontal surface, a large sheet of whitepaper or pasteboard, leaves a tracing of the motions of the position of rest of the bob being at O (Fig. 18), give it an impulsewith the hand in the direction OA sufficient (say) to carry it to.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectphysics, bookyear1895
