| Benjamin Greenleaf - 1841 - 334 σελίδες
...so is the power to the weight which it will balance. I. If a man weighing 170 pounds be resting upon a lever 10 feet long, what weight will he balance...other end, supposing the prop one foot from the weight ? Ans. 1530 Ibs. 2 If a weight of 1530 pounds were to be raised by a lever 10 feet long, and the prop... | |
| Charles Guilford Burnham - 1841 - 324 σελίδες
...applied, so is the power to the weight which it will balance. 1. If a man, weighing 160 lbs., rest on a lever 10 feet long, what weight will he balance on the other end, supposing the prop to be 1 foot from the weight? 1:9:: 160: 1440 lbs., Answer. 2. If a weight of 1440 lbs. were to be... | |
| Uriah Parke - 1849 - 414 σελίδες
...jusi ai would be the case of two persons canying a burden apon a pole. 19. If a man weighing 160 Ibs. rest on the end of a lever 10 feet long, what weight...will he balance on the other end, supposing the prop to be one foot from the weight? Ans. 1440 Ibs. According to the question, the man was 9 feet from the... | |
| Almon Ticknor - 1849 - 156 σελίδες
...just balance the weight ? Thus, 100 x 8 = 800 -H 100 = 8 Ibs. Ans. 4. If a man weighing 160 pounds, rest on the end of a lever 10 feet long, what weight will he balance on the other end, admitting the prop to be 1 foot from the weight? The distance between the prop and power is 10 —... | |
| Uriah Parke - 1850 - 402 σελίδες
...just as would be the case of two persons carrying a burden upon a pole. 19. If a man weighing 160 Ibs. rest on the end of a lever 10 feet long, what weight...will he balance on the other end, supposing the prop to be one foot from the weight? Ans. 1440 Ibs. According to the question, the man was 9 feet from the... | |
| Charles Guilford Burnham - 1850 - 350 σελίδες
...applied, so is Hte power to the weight which it will balance, 1. If a man, weighing 160 Ibs., rest on a lever 10 feet long, what weight will he balance on the other end, supposing the prop to be 1 foot from the weight ? 1 : 9: :160: 1440 Ibs. Ans. 2. If a weight of 1440 Ibs. were to be raised... | |
| Benjamin Greenleaf - 1850 - 368 σελίδες
...be raised by a given power, we adopt the following 1. If a man weighing 170 pounds be resting upon a lever 10 feet long, what weight will he balance on the other end, the prop being one foot from the weight ? Ans. 15301bs. 2. If a weight of 1530 pounds were to be raised... | |
| Charles Guilford Burnham - 1857 - 328 σελίδες
...applied, so is the power to the weight which it will balance. 1. If a man, weighing 160 lbs., rest on a lever 10 feet long, what weight will he balance on the other end, supposing tha prop to be 1 foot from the weight ? 1:9: : 160: 1440 lbs. Ans. 2. If a weight of 1440 lbs. were... | |
| Charles Guilford Burnham - 1857 - 342 σελίδες
...applied, so is the power to the weight which it will balance. 1. If a man, weighing 160 Ibs.j rest on a lever 10 feet long, •what weight will he balance on the other end, supposing tha prop to be 1 foot from the weight ? 1 : 9 : : 160: 1440 Ibs. Ans. 2. If a weight of 1440 Ibs. were... | |
| Charles Guilford Burnham - 1859 - 338 σελίδες
...applied, so is the power to the weight which it will balance. 1. If a man, weighing 160 Ibs., rest on a lever 10 feet long, what weight will he balance on the other end, supposing th« prop to be 1 foot from the weight ? l:9::160:1440Ibs. Ans. 2. If a weight of 1440 Ibs. were to... | |
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