Showing posts with label work. Show all posts
Showing posts with label work. Show all posts

Tuesday 4 December 2012

what is work

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work_formula work Definition 

       we can says work is the product of magnitude of  displacement and component of force in the direction of displacement. 
Explanation
      Let us consider an object which is being pulled by content  force F at angle theta to the direction of motion.The force F moves the object from position A to B through displacement D as shown in figure.

Now by definition work is given by.
                                   
formula_work
W = (F cos 0) (d)
                                                                         = Fd  cos 0
where,
               F Cos 0 is component of force in the direction of displacement.

example of work

 

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