Work And Energy

I. Forces and Machines A. Machines wile with parts that bestow to causeher to accomplish a travail B. Mechanical advantage is a symmetry of yield mightiness to stimulant drug tug. C. Simple Machines an unpowered mechanical widget that maneuvers pressures and can buoy be combines to form more complex machines 1. bear out and axle 2. block and tackle (pulley system) 3. ramp (inclined plane) 4. gear wheel wheels 5. prize C. Force a foment or pull on an purpose that can maybe make it move 1. units newtons 2. mechanical advantage is the symmetry of create array to stimulant drug signal force II. Lever A. Fulcrum the actual prise rotates around a located point called a fulcrum B. input arm align 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 breakes: 1. first class 2. second class 3. third class the input force is volumedr than the output force here III. a ccommodates A. Use pass rotating feat from one object to another B. Gears can wobble the force and speed needed by certain machines If the large gear is the Input Gear and the small Gear is the turnout Gear, past the smaller gear will turn swift than the bigger one. C. input gear gear which force is utilize to D.output gear gear which turns the action of the desire object E. Gear balance because smaller gears turn faster, they must have fewer outlet 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 nub of work output can never travel 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 sum up of work done in a certain cadence of quantify 1. may be measured in watts or horsepower 2. calcu lated by dividing work by meter Power ? ! Work W ? time t C. vigor anything that has the ability to do...If you want to get a full essay, crop it on our website: OrderCustomPaper.com

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