 | University of St. Andrews - 1902 - 740 pàgines
...the change in its kinetic energy is equal to the work done by the force. A mass of i Ib. slides down a smooth plane inclined at an angle of 30° to the horizon. Find the changes in its potential and kinetic energies during the third second of motion. 5. A mass... | |
 | Alexander Ziwet - 1904 - 516 pàgines
...50 yards on a level road, the coefficient of friction being 0.02. (5) A mass of 12 Ibs. slides down a smooth plane inclined at an angle of 30° to the horizon, through a distance of 25 ft.; what is the work done by gravity ? 408. It follows from the def1nition... | |
 | Percey Franklyn Smith, William Raymond Longley - 1910 - 312 pàgines
...which the string passes. Find the mass on the table. Ans. 24 Ib. 10 oz. 23. A weight P is drawn up a smooth plane inclined at an angle of 30° to the horizon, by means of a weight Q which descends vertically, the weights being connected by a string passing over a small pulley... | |
 | Alexander Ziwet, Peter Field - 1912 - 420 pàgines
...50 yards on a level road, the coefficient of friction being 0.02. (5) A mass of 12 Ibs. slides down a smooth plane inclined at an angle of 30° to the horizon, through a distance of 25 ft.; what is the work done by gravity? 265. The work of a variable force F... | |
 | Alexander Ziwet, Peter Field - 1912 - 397 pàgines
...50 yards on a level road, the coefficient of friction being 0.02. (5) A mass of 12 Ibs. slides down a smooth plane inclined at an angle of 30° to the horizon, through a distance of 25 ft.; what is the work done by gravity? 265. The work of a variable force F... | |
 | John Anthony Miller, Scott Barrett Lilly - 1915 - 328 pàgines
...acting on a particle bisects the angle between them. Prove that P = Q. Find R. 6. A body of 50 Ibs. is at rest on a smooth plane inclined at an angle of 30° to the horizontal. It is acted on by a horizontal force P. Find P. 6. A particle whose weight is W rests on... | |
 | William Elwood Byerly - 1916 - 142 pàgines
...System of Particles. Illustrative Examples, (a) A rough plank 16 feet long rests pointing downward on a smooth plane inclined at an angle of 30° to the horizon. A dog weighing as much as the plank runs down the plank just fast enough to keep it from slipping.... | |
 | James Arnold Crowther - 1919 - 582 pàgines
...EXAMPLES. (The machines are supposed to work without friction, except in (3).) 1. A mass of 1 cwt. rests on a smooth plane inclined at an angle of 30° to the horizontal. What force acting parallel to the plane will be required to keep it in equilibrium ? 2.... | |
 | Abhay Kumar Singh - 2007 - 624 pàgines
...thin homogeneous beam AB of mass 100 kg rests on the smooth horizontal floor and the other end rests on a smooth plane inclined at an angle of 30° to the horizontal. The end B is supported by a string with a load passing over a pulley C (fig.). Determine... | |
 | Reginald Charles. [from old catalog] Fawdry - 1920 - 278 pàgines
...second. [The balloon is at rest.] 16. Two particles are projected simultaneously, one with velocity V up a smooth plane inclined at an angle of 30° to the horizon, and 2V the other with a velocity -^ at an elevation of 60°. Shew that the 2V particles will be relatively... | |
| |
V up a smooth plane inclined at an angle of 30° to the horizon, and 2 V the other with a velocity -^- at an elevation of 60°. 
