Classification of Forces

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Classification of forces What is force? ãIt is an action of 1 body to another. ãExist in equal magnitude, opposite direction pairs Type of force Definition External All force acting on FBD W Applied force/load (dimension of force/length) Concentrated/distributed Concentrated , F Area of the contact is small compared to the size of body (act at a point) Reaction Supporting forces Static load (dead weight) Do not vary with time, pressure/temperature Repeat load Load that a
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  Classification of forces What is force? ã It is an action of 1 body to another. ã Exist in equal magnitude, opposite directionpairs   Type of force Definition External All force acting on FBDW Applied force/load(dimension of force/length)Concentrated/distributedConcentrated , F Area of the contact is smallcompared to the size of body(act at a point)Reaction Supporting forcesStatic load (dead weight) Do not vary with time,pressure/temperatureRepeat load Load that applied/remove manythousand timeImpact load Transfer large amount energy inshort time  Equilibrium of rigid body  Rigid body-body which is not deformunder applied load.  3 dimension but always count on 2dimension F y F x ∑F=0 (force)   ∑M=0 (momentum)  
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