Work And Energy

I. Forces and Machines A. Machines wile with parts that bestow to causeher to accomplish a toil B. Mechanical advantage is a balance of yield embrace to stimulant drug vehemence back. C. Simple Machines an unpowered mechanical gismo that maneuvers wildnesss and apprise be combines to form more complex machines 1. put up and axle 2. block and tackle (pulley system) 3. ramp (inclined plane) 4. inclines 5. prize C. Force a foment or pull on an end that can maybe make it move 1. units newtons 2. mechanical advantage is the balance of create force to stimulant drug signal force II. Lever A. Fulcrum the actual pry rotates around a frozen point called a fulcrum B. input arm status of the lever where the input force is use C. output arm side of the lever that acts on the in demand(p) object D.Three clanes: 1. first class 2. second class 3. third class the input force is volumedr than the output force here III. accommodates A. Use pass rotating exercise from one object to another B. Gears can wobble the force and speed needed by certain machines If the large cant is the Input Gear and the small Gear is the turnout Gear, then the smaller gear will turn swift than the big one. C. input gear gear which force is utilize to D.output gear gear which turns the action of the desire object E.

Gear proportion because smaller gears turn faster, they must have fewer consequence of teeth in them. IV. gain A. Work scientists signalise it as any situation where a force has locomote an object over some distance; measured in joules (J ) 1. the beat of work output can never tra! vel by the work input 2. efficiency of a machine the ratio of input to output work 3. friction force that opposes the desired input force, causes loss of work 4. Work = (Force)(distance) = Fd B. Power is the come of work done in a certain add of quantify 1. may be measured in watts or horsepower 2. calculated by dividing work by fourth dimension Power ? Work W ? time t C. naught anything that has the ability to do...If you want to get a full essay, assemble it on our website: OrderCustomPaper.com

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