Practical PhysicsGinn, 1922 - 472 pages |
From inside the book
Results 1-5 of 58
Page 12
... plane is vertical ( see a , Fig . 4 ) , and adjusted in position until its center is exactly 10 centimeters beneath the surface , that is , until the average depth of the diaphragm is the same as before . The position of the index will ...
... plane is vertical ( see a , Fig . 4 ) , and adjusted in position until its center is exactly 10 centimeters beneath the surface , that is , until the average depth of the diaphragm is the same as before . The position of the index will ...
Page 13
... plane . Now the pressure at e ( Fig . 7 ) was shown by the experiment of § 18 to be SIY FIG . 6. Water level in communi- cating vessels equal to the density of the liquid times the depth cg . The pressure at o in the opposite direction ...
... plane . Now the pressure at e ( Fig . 7 ) was shown by the experiment of § 18 to be SIY FIG . 6. Water level in communi- cating vessels equal to the density of the liquid times the depth cg . The pressure at o in the opposite direction ...
Page 63
... plane , and the line On the value of the force which is producing pressure against the plane . Now , since the triangle ROm is similar to the triangle abc ( for ≤mOR = 4abc , RmO = 2acb , and ≤ ORm = Zbac ) , we have m От OR bc at ; n ...
... plane , and the line On the value of the force which is producing pressure against the plane . Now , since the triangle ROm is similar to the triangle abc ( for ≤mOR = 4abc , RmO = 2acb , and ≤ ORm = Zbac ) , we have m От OR bc at ; n ...
Page 65
... plane 12 ft . long and 3 ft . high . By the resolution- and - proportion method find the component of its weight that tends to make the ice slide down the incline . With what force must one push to keep the ice at rest ? How great is ...
... plane 12 ft . long and 3 ft . high . By the resolution- and - proportion method find the component of its weight that tends to make the ice slide down the incline . With what force must one push to keep the ice at rest ? How great is ...
Page 66
... plane , in flight is the only acting force out of which a support for the aëroplane can be derived . ) ( See frontispiece and opposite pp . 153 , 316 , and 317. ) GRAVITATION 83. Newton's law of universal gravitation . In order to ac ...
... plane , in flight is the only acting force out of which a support for the aëroplane can be derived . ) ( See frontispiece and opposite pp . 153 , 316 , and 317. ) GRAVITATION 83. Newton's law of universal gravitation . In order to ac ...
Contents
161 | |
190 | |
190 | |
198 | |
199 | |
203 | |
222 | |
222 | |
49 | |
57 | |
72 | |
73 | |
84 | |
84 | |
90 | |
102 | |
102 | |
105 | |
106 | |
122 | |
122 | |
128 | |
134 | |
134 | |
152 | |
230 | |
230 | |
240 | |
240 | |
244 | |
246 | |
246 | |
289 | |
319 | |
337 | |
357 | |
378 | |
402 | |
417 | |
447 | |
465 | |
Other editions - View all
Common terms and phrases
ammeter amperes angle armature ball body calories carbon charge circuit coil color condenser conductor connected convex lens copper cubic centimeter Daniell cell density diameter direction distance dynamo earth electric electric charge electroscope engine equal experiment fact fall flame focal length fork freezing friction galvanic cell galvanometer gases glass gram gravity heat Hence hydrogen inch induced iron kinetic energy lamp Leclanché cell lens lever light lines of force liquid mass mechanical advantage mercury metal meter mirror molecules motion moving needle ohms opposite overtone pass pipe piston placed plane plate pole position potential pressure produced pull pump QUESTIONS AND PROBLEMS rays reflected resistance rotation shown in Fig shows sound specific gravity speed steam substances surface temperature thermometer tion tube vapor velocity vessel vibration volts wave length weight wheel wire zinc
Popular passages
Page 458 - And show me how they calculated the initiatory speed of our car?" "Yes, my worthy friend; taking into consideration all the elements of the problem, the distance from the center of the earth to the center of the moon...
Page 67 - Any two bodies in the universe attract each other with a force which is directly proportional to the product of the masses and inversely proportional to the square of the distance between them.
Page 393 - The magnifying power of an astronomical telescope is therefore the focal length of the objective divided by the focal length of the eyepiece. It...
Page 22 - Archimedes stated that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid.
Page 84 - Every body continues in its state of rest or uniform motion in a straight line, except in so far as it is compelled to change that state by a force impressed upon it.
Page 367 - Index of refraction. The ratio of the speed of light in air to its speed in any other medium is called the index of refraction of that medium.
Page 260 - The resistance of any conductor is directly proportional to its length and inversely proportional to the area of its cross section or to the square of its diameter.
Page 60 - ... is, the resultant of two parallel forces acting in the same direction is equal to the sum of the two forces.
Page 62 - For in § 79 it was shown that if any one force is to have the same effect upon a body as two forces acting simultaneously, it must be represented by the diagonal of a parallelogram the sides of which represent the two forces. Hence, conversely, if two forces are to be equivalent in their...
Page 2 - Thus, there are 12 inches in a foot, 3 feet in a yard, 5^- yards in a rod, 1760 yards in a mile, etc.