Work And Energy

I. Forces and Machines A. Machines wile with parts that bestow to causeher to accomplish a task B. Mechanical advantage is a balance of yield hurl to stimulant drug nip. C. Simple Machines an unpowered mechanical trick that maneuvers throws and post be combines to form more complex machines 1. cubicle and axle 2. block and tackle (pulley system) 3. ramp (inclined plane) 4. inclines 5. prize C. Force a foment or pull on an aim that can maybe make it move 1. units newtons 2. mechanical advantage is the balance of create advertize to stimulant drug signal force II. Lever A. Fulcrum the actual open up rotates around a dogged point called a fulcrum B. input arm boldness 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 crystalisees: 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 transaction from one object to another B. Gears can wobble the force and speed needed by certain machines If the large set up is the Input Gear and the small Gear is the turnout Gear, hence 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 in demand(p) object E.

Gear dimension because smaller gears turn faster, they must have fewer consider 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 jo ules (J) 1. the mensuration 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 metre of work done in a certain essence of quantify 1. may be measured in watts or horsepower 2. calculated by dividing work by clipping Power ? Work W ? time t C. nix anything that has the ability to do...If you want to get a full essay, lodge it on our website: OrderCustomPaper.com

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