![Which of these machines are levers of second order? Crowbar, tongs, wheel barrow, nutcrackers, lever balance Which of these machines are levers of second order? Crowbar, tongs, wheel barrow, nutcrackers, lever balance](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/646305308_web.png)
Which of these machines are levers of second order? Crowbar, tongs, wheel barrow, nutcrackers, lever balance
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![The science of railways . 339 Name of Tools. Rail tongs forks Saws, hand * cross cut Scythes snaths, stones *Spirit level *Square, tie *Spike puller mauls handles. *Sledges handles Shovels ; The science of railways . 339 Name of Tools. Rail tongs forks Saws, hand * cross cut Scythes snaths, stones *Spirit level *Square, tie *Spike puller mauls handles. *Sledges handles Shovels ;](https://c8.alamy.com/comp/2CH213P/the-science-of-railways-339-name-of-tools-rail-tongs-forks-saws-hand-cross-cut-scythes-snaths-stones-spirit-level-square-tie-spike-puller-mauls-handles-sledges-handles-shovels-scoop-long-handled-track-lever-or-lifting-bar-jacks-gauges-level-board-tamping-bars-torpedoes-tape-line-50-feet-long-tool-boxes-wire-stretchers-wrenches-track-monkey-wheel-barrows-water-bucket-dipper-keg-ipikehole-plugs-furnished-as-required-numberrequired-1-144211144226611-1412111413111-illustrated-byfigure-nos-291292293294295296-297-298299-300-301-302-303-304262-263305-306-307-308-309-310-31-2CH213P.jpg)
The science of railways . 339 Name of Tools. Rail tongs forks Saws, hand * cross cut Scythes snaths, stones *Spirit level *Square, tie *Spike puller mauls handles. *Sledges handles Shovels ;
![High Quality Nursery Workmen's Big Pneumatic Wheel Steel Square Tray Wheelbarrow Metal Croft Barrow - Buy Wheelbarrow,Croft Barrow,Croft Barrow Product on Alibaba.com High Quality Nursery Workmen's Big Pneumatic Wheel Steel Square Tray Wheelbarrow Metal Croft Barrow - Buy Wheelbarrow,Croft Barrow,Croft Barrow Product on Alibaba.com](https://sc04.alicdn.com/kf/HTB1.dXUSVXXXXbTXpXXq6xXFXXXj.jpg)
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![Farrow's military encyclopedia : a dictionary of military knowledge . and the row-lock thepoint of applicaticm of the weight—and the wheel-barrow ; and of double-levers of this kind we havethe nut-crackers as Farrow's military encyclopedia : a dictionary of military knowledge . and the row-lock thepoint of applicaticm of the weight—and the wheel-barrow ; and of double-levers of this kind we havethe nut-crackers as](https://c8.alamy.com/comp/2AX2W0F/farrows-military-encyclopedia-a-dictionary-of-military-knowledge-and-the-row-lock-thepoint-of-applicaticm-of-the-weightand-the-wheel-barrow-and-of-double-levers-of-this-kind-we-havethe-nut-crackers-as-an-ordinary-example-in-lev-ers-of-tgtie-third-kind-fig-3-the-power-is-alwaysbetween-the-weight-and-the-fulcrum-fishing-rodswhips-umbrellas-and-most-of-the-instruments-usedwith-the-hand-alone-are-levers-of-the-third-kind-andshears-tongs-etc-are-examples-of-double-levers-ofthis-class-it-is-evident-that-to-produce-equilibriumin-levers-of-the-first-kind-the-power-may-acc-2AX2W0F.jpg)
Farrow's military encyclopedia : a dictionary of military knowledge . and the row-lock thepoint of applicaticm of the weight—and the wheel-barrow ; and of double-levers of this kind we havethe nut-crackers as
![Adze (Hootar), North America (Alaska, Point Barrow), Prehistoric, Culture: North America (Alaska, Point Barrow), Nephrite, spinach green, H. 1 9/16 in. (4 cm); W. 7/8 in. (2.2 cm), Jade Stock Photo - Alamy Adze (Hootar), North America (Alaska, Point Barrow), Prehistoric, Culture: North America (Alaska, Point Barrow), Nephrite, spinach green, H. 1 9/16 in. (4 cm); W. 7/8 in. (2.2 cm), Jade Stock Photo - Alamy](https://l450v.alamy.com/450v/2hht752/adze-hootar-north-america-alaska-point-barrow-adze-hootar-north-america-alaska-point-barrow-nephrite-spinach-green-prehistoric-jade-2hht752.jpg)