Mechanics for Beginners: With Numerous Examples |
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Results 1-5 of 36
Page 8
... supports a weight of 3 lbs . at its extremity , and a weight of 6 lbs . at its middle point : find the tensions of the two parts of the string . If the tension of the upper part be represented by a straight line 3 inches long , what ...
... supports a weight of 3 lbs . at its extremity , and a weight of 6 lbs . at its middle point : find the tensions of the two parts of the string . If the tension of the upper part be represented by a straight line 3 inches long , what ...
Page 39
... supports , the weight of the pole being disregarded . 3. A man supports two weights slung on the ends of a stick 40 inches long placed across his shoulder : if one weight be two - thirds of the other , find the point of support , the ...
... supports , the weight of the pole being disregarded . 3. A man supports two weights slung on the ends of a stick 40 inches long placed across his shoulder : if one weight be two - thirds of the other , find the point of support , the ...
Page 72
... supported , the body or system to be acted on only by gravity , and the parts of the body or system to be rigidly connected with the point . 123. To find the centre of gravity of two heavy par- ticles . Let A and B be the positions of ...
... supported , the body or system to be acted on only by gravity , and the parts of the body or system to be rigidly connected with the point . 123. To find the centre of gravity of two heavy par- ticles . Let A and B be the positions of ...
Page 73
... supported . Thus we have found the centre of gravity of four heavy particles ; and in the same way we may proceed whatever be the number of the particles . 125. The investigation of the preceding Article shews that every system of heavy ...
... supported . Thus we have found the centre of gravity of four heavy particles ; and in the same way we may proceed whatever be the number of the particles . 125. The investigation of the preceding Article shews that every system of heavy ...
Page 74
... supported the body or system balances , and therefore the vertical line in which the resultant weight of the body or system acts passes through G. Similarly the resultant weight acts through H. Thus a vertical line passes through two ...
... supported the body or system balances , and therefore the vertical line in which the resultant weight of the body or system acts passes through G. Similarly the resultant weight acts through H. Thus a vertical line passes through two ...
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Common terms and phrases
ABCD acceleration algebraical sum angular points axis balance beam bisects body or system centre of gravity circle coefficient of friction components conditions of equilibrium cosĀ² couple cylinder denote described determine distance equi Euclid example find the centre fixed point forces represented fulcrum given heavy particles Hence horizontal plane impact inches inclined plane Law of Motion length lever line of action lower block machine mechanical advantage middle point move moveable Pully P+Q+R parabola Parallelogram of Forces perpendicular point of application point of projection position Power preceding Article pressure proposition radius ratio Resolved displacement respectively rest right angles rigid body Screw shew sides single resultant smooth straight line string which passes system of forces System of Pullies Take moments round tension three forces tion triangle uniform vanishes velocity vertical weight Wheel and Axle