Text-book of Mechanics: With Numerous Examples

الغلاف الأمامي
D. Van Nostrand Company, 1890 - 254 من الصفحات
 

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الصفحة 169 - The total energy of any body or system of bodies is a quantity which can neither be increased nor diminished by any mutual action of such bodies, though it may be transformed into any one of the forms of which energy is susceptible.
الصفحة 33 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
الصفحة 127 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
الصفحة 189 - Show that the moment of inertia of a body about any axis is equal to the moment of inertia about a parallel axis through the...
الصفحة 55 - Lami's Theorem. If three forces acting on a particle keep it in equilibrium, each is proportional to the sine of the angle between the other two.
الصفحة 168 - I suppose it is one of your big engines." " But what drives the engine ?" " Oh, very likely a canny Newcastle driver ! " " What do you say to the light of the sun ? " " How can that be ?" asked the doctor.
الصفحة 168 - What do you say to the light of the sun?' — 'How can that be?' asked the doctor. — ' It is nothing else,' said the engineer : ' it ia light bottled up in the earth for tens of thousands of years, — light, absorbed by plants and vegetables, being necessary for the condensation of carbon during the process of their growth, if it be not carbon in another form...
الصفحة 168 - What do you say to the light of the sun ? ' ' How can that be ? ' asked the doctor. ' It is nothing else,' said the engineer : ' it is light bottled up in the earth for tens of thousands of years, — light, absorbed by plants and vegetables, being necessary for the condensation of carbon during the process of their growth, if it be not carbon in another form, — and now, after being buried in the earth for long ages in the fields of coal, that latent light is again brought forth and liberated,...
الصفحة 192 - ... pendulum is the same as that of a simple pendulum of length l and swinging about C.
الصفحة 98 - In other words, the moment of the resultant about any point is equal to the algebraical sum of the moments of the forces about the same point.

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