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" ... one-fifth of the space. The products, therefore, arising from the multiplication of the respective weights and velocities are the same. EXAMPLE 2. — A weight of 1 ton is to be raised with a lever 8 feet in length, by a man who can exert, for a short... "
Improvement to Palmer's Endless Self-computing Scale and Key: Adapting it to ... - Σελίδα 67
των John E. Fuller - 1846 - 72 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

History and Progress of the Steam Engine: With a Practical Investigation of ...

Elijah Galloway - 1829 - 859 σελίδες
...weights and velocities are the same. Example 2. A weight of one ton is 10 be raised with a lever eight feet in length, by a man who can exert, for a short time, a force of raiher more than 4 i IM. ; required at what part of the lever the fulcrum must be placed ? 4cwt. 5+1...

History and Progress of the Steam Engine: With a Practical Investigation of ...

Elijah Galloway - 1836 - 863 σελίδες
...weights and velocities are the same. Example 2. A weight of one ton is to be raised wilh a lever eight feet in length, by a man who can exert, for a short time, a force of rather more than 4 rut. ; required at what part of the lever the fulcrum must be placed ? — !^J=5 : that is, the weight...

norris's hand-book for locomotive engineers and machinists

septimus norris - 1854
...example, the proportionate lengths of the lever to maintain the weight in equilibrio, are as 5 to 1. If, therefore, an additional pound be added to the...what part of the lever the fulcrum must be placed ? - , = 5 : that is, the weight is to the power as 4 cwt. ' . 9 & r o 5 to 1 ; therefore, gx -i = 1...

SEPTIMUS NORRIS

NORRIS'S HAND-BOOK FOR LOCOMOTIVE ENGINEERS AND MACHINISTS - 1854
...arising from the multipli cation of the respective weights and velocities are the same. EXAMPLE 2.@A weight of 1 ton is to be raised with a lever 8 feet...than 4 cwt.: required at what part of the lever the ful crum must be placed ? 20 cwt. -Tp = 5; that is, the weight is to the power as o 5 to 1: therefore,...

The Mechanic's, Machinist's, and Engineer's Practical Book of Reference ...

Charles William Hackley - 1855 - 504 σελίδες
...gained, for the weight passt$k.tlvFQUgh, £nlv. one fifth of the space passed through by the power. EXAMPLE 2. A weight of 1 ton is to be raised with...what part of the lever the fulcrum must be placed. •— — — 5 ; ie, the weight is to the power as 5 to 1 ; therefore, = 1 foot and a third from...

The Mechanic's, Machinist's, and Engineer's Practical Book of Reference ...

Charles Haslett - 1855
...power is gained, for the weight passes through only one fifth of the space passed through by the power. EXAMPLE 2. A weight of 1 ton is to be raised with...what part of the lever the fulcrum must be placed. • = 5 ; ie, the weight is to the power as 5 to 1 ; therefore, Q = 1 foot and a third from the weight....

the mechanics, machinists, and engineer's practical book of reference

charles haslett - 1856
...is gained, for the Aveight passes through only one fifth of the space passed through by the poAver. EXAMPLE 2. A weight of 1 ton is to be raised with...exert, for a short time, a force of rather more than 4 CAvt. Required at Avhat part of the lever the fulcrum :mutst^be placed. 5; i. <?., the Aveight is to...

The Artillerists̓ Manual, and British Soldiers̓ Compendium

Frederick Augustus Griffiths - 1859 - 354 σελίδες
...example, the proportionate lengths of the lever to maintain the weight in equilibrium, are as 5 to 1. If, therefore, an additional pound be added to the...required at what part of the lever the fulcrum must be placeJ ? 20 cwt, — - = 5 ; that is, the weight is to the power as 5 to 1, there4 cwt, f Q fore, -...




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