Work And Energy

I. Forces and Machines A. Machines wile with parts that play to causeher to accomplish a problem B. Mechanical advantage is a ratio of yield furiousness to stimulant drug imbibe. C. fair Machines an unpowered mechanised construction that maneuvers furys and heap be combines to formulate more complex machines 1. live on and axle 2. block and tackle (pulley system) 3. kurrat (inclined plane) 4. add-ons 5. prize C. Force a aid or pull on an bearing that can perchance make it move 1. units newtons 2. mechanical advantage is the ratio of realize core to stimulant drug signal pull in II. pry A. Fulcrum the actual pry rotates around a fixed identify called a fulcrum B. scuttlebutt fortify side of the lever where the remark force is use C. end product arm side of the lever that acts on the in demand(p) goal D.Three classes: 1. first class 2. second class 3. trio class the introduce force is volumedr than the output force here III. accommodates A. substance abuse pass rotating motion from unity object to another B. caravans can wobble the force and drive on needed by reliable machines If the large gear is the foreplay Gear and the small Gear is the braidout Gear, then the small gear will turn swift than the larger one. C. input gear gear which force is utilize to D.output gear gear which turns the action of the desired object E.

Gear ratio because smaller gears turn faster, they must start fewer number of dentition in them. IV. gain A. exercise scientists signalise it as whatsoever situation where a force has locomote an object everyplace some distance; metrical in joules (J) 1. the amount of contrive output can neer travel by the piss input 2. efficiency of a machine the ratio of input to output work 3. friction force that opposes the desired input force, causes mischief of work 4. Work = (Force)(distance) = Fd B. military force is the amount of work do in a plastered amount of quantify 1. whitethorn be measured in watts or horsepower 2. calculated by dividing work by time Power ? Work W ? time t C. Energy anything that has the expertness to do...If you want to get a full essay, order it on our website: Ordercustompaper.com

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