Wedge friction, Mechanical Engineering

WEDGE FRICTION:

Explain how wedge is used for raising heavy loads. Also give principle of it.

Sol.: Principle of wedge: A wedge is small piece of material having two of their opposite faces not parallel. To lift block of weight W, it is pushed by horizontal force P which lifts the block by imparting reaction on the block in direction 1to meeting surface that is always greater than total downward force applied by block W This will cause resultant force acting in upward direction on block and moves up.

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Posted Date: 10/18/2012 2:47:28 AM | Location : United States







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