Library of Useful Knowledge: Natural philosophy, Volume 2Baldwin and Cradock, 1829 - Physics |
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Page xvii
... force which tends to produce motion thus away from the centre is called the centrifugal force . If a ball be thrown in an horizontal direction , it is acted upon by no less than three forces : the force of projection first given to it ...
... force which tends to produce motion thus away from the centre is called the centrifugal force . If a ball be thrown in an horizontal direction , it is acted upon by no less than three forces : the force of projection first given to it ...
Page 49
... force of vapour in a vacuum of any given dimensions , are equal to its force and quantity , in an equal volume of air , at the same tem- perature ; or that the force and quantity of vapour in the air are dependant on its temperature ...
... force of vapour in a vacuum of any given dimensions , are equal to its force and quantity , in an equal volume of air , at the same tem- perature ; or that the force and quantity of vapour in the air are dependant on its temperature ...
Page 82
... force Nx , being opposed by the fixed axis at X , contributes in no respect to produce motion ; NR is the only part of the terrestrial force that turns the needle upon its axis . Now it is evi- dent that NR is to NE , as the sine of the ...
... force Nx , being opposed by the fixed axis at X , contributes in no respect to produce motion ; NR is the only part of the terrestrial force that turns the needle upon its axis . Now it is evi- dent that NR is to NE , as the sine of the ...
Contents
POPULAR INTRODUCTIONS to NATURAL PHILOSOPHY By | i |
Page | xvii |
MARCET icx | 10 |
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acid action aperture appear ascer attraction axis ball battery body brass centre centre of gravity circle colours compass concave conductor convex convex lens copper cylinder degree diameter direction distance earth effect elec electric current electric fluid electroscope equal experiments Fahrenheit fixed flint glass focus force galvanic glass gravity heat horizontal hygrometer inch induction instrument intensity iron length lens lenses lever light magnet ment mercury metal motion move needle Newton north pole object object-glass obliquely observed opposite parallel particles passing perpendicular phenomena piece placed plane plate polarity portion position prism produced proportion pyrometer quantity rays reflected refraction refrangible rendered repulsion retina right angles ring round side south pole specific gravity spherical aberration steel substance surface telescope temperature theory thermometer thickness tion tricity tube velocity vertical voltaic weight wire zinc