The First-[fifth] Reader, 4 tomasHarper, 1860 |
Knygos viduje
Rezultatai 1–5 iš 14
310 psl.
... lever , pulley , and inclined plane . Mr. M. That is the division I prefer , as the wheel and axle , the wedge , and screw , are modifications of the first three . What is a lever ? George . A lever is an inflexible bar , supported on a ...
... lever , pulley , and inclined plane . Mr. M. That is the division I prefer , as the wheel and axle , the wedge , and screw , are modifications of the first three . What is a lever ? George . A lever is an inflexible bar , supported on a ...
311 psl.
... lever interfere with this rule ? I saw some engineers once weigh- ing the lever of a safety - valve , and heard them say the rule for calculating levers would not do for them . Mr. M. Very true ; the weight of the lever is a part of the ...
... lever interfere with this rule ? I saw some engineers once weigh- ing the lever of a safety - valve , and heard them say the rule for calculating levers would not do for them . Mr. M. Very true ; the weight of the lever is a part of the ...
312 psl.
... lever to be a bar of iron sixteen inches long , every inch of which weighs one pound , and that the fulcrum , F , is six inches from the weight , W. The centre of gravity of the short arm will be three inches from the ful- crum , where ...
... lever to be a bar of iron sixteen inches long , every inch of which weighs one pound , and that the fulcrum , F , is six inches from the weight , W. The centre of gravity of the short arm will be three inches from the ful- crum , where ...
313 psl.
... lever is not a straight and uniform bar , the distance of the centres of gravity of its arms must be cal- culated by ... lever of the second kind ? • 21. George . The second kind of lever is that in which the weight and the power are on ...
... lever is not a straight and uniform bar , the distance of the centres of gravity of its arms must be cal- culated by ... lever of the second kind ? • 21. George . The second kind of lever is that in which the weight and the power are on ...
314 psl.
... lever ? Fig . 17 . 25. Frank . The third kind of lever is that in which the fulcrum is at one end , the weight at the other , and the power placed between them . A man raising a ladder which rests on one end is an example ; so , also ...
... lever ? Fig . 17 . 25. Frank . The third kind of lever is that in which the fulcrum is at one end , the weight at the other , and the power placed between them . A man raising a ladder which rests on one end is an example ; so , also ...
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Kiti leidimai - Peržiūrėti viską
Pagrindiniai terminai ir frazės
Absalom acid gas animal arteries Baltimore Oriole beautiful birds birds of prey blood body bones branches breathing bright buds called carbonic acid cells chyle chyme Cleon color common cuckoo cuticle eagle earth falling inflection father feet fibres flowers force forest Frank fulcrum give gravity green ground grow hand heard heart heaven house we live inches inflection John kind labor leaf leaves LESSON lever light live Lord lungs matter Maynard mother motion move muscles N. P. WILLIS Nature nest night nourishment o'er ostrich oxygen particles pass pistil plants plumage pounds rest right auricle rising inflection roots screw seeds seen sepals side skin sleep song species stamens stem stomach swallow sweet tell thee thing thou tion tree unto vegetable veins voice weight wheel wild wind wings wood Zimri
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