An Introduction to Dynamics: Including Kinematics, Kinetics, and Statics : with Numerous Examples

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Longmans, Green, and Company, 1890 - Dynamics - 302 pages

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Page 81 - 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.
Page 106 - Change of motion is proportional to the impressed force and takes place in the direction of the straight line in which the force acts.
Page 278 - If two forces acting at a point are represented in magnitude and direction by two sides of a triangle...
Page 117 - Prove that the algebraic sum of the moments of two concurrent forces about any point in their plane is equal to the moment of their resultant about the same point.
Page 278 - If a particle moves in consequence of the continued action upon it of a constant force, show what is the character of the resulting motion, and in what manner it depends on the magnitude of the force and the mass of the particle.
Page 277 - any cause which tends to change a body's state of rest or of uniform motion in a straight line.
Page 273 - A boat is rowed on a river so that its speed in still water would be 6 miles per hour. If the river flow at the rate of 4 miles per hour, draw a figure to shew the direction in which the head of the boat must point so that the motion of the boat may be at right angles to the current.
Page 243 - 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.
Page 283 - ... find the pressure on the lift in each case. 15. A weight of 20 ozs. is moved on a smooth horizontal table by a weight of 4 ozs. connected with it by a, string which passes over a pulley at the edge of the table and hangs vertically downwards. After 3 sees, the weight reaches the edge of the table, and the string breaks. At what distance from the top of the table will the weight of 20 ozs. strike the ground supposing it to reach the ground in 1 sec. ? 16. If a force of 6 Ibs. gives to a certain...

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