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*What is the relation between stability and centre of gravity? *What is the equation to find work? *What is the equation to find power?
The position of the centre of gravity of an object affects its stability. The lower the centre of gravity (G) is, the more stable the object. 
The higher it is the more likely the object is to topple over if it is pushed. 
Work is done on an object when an applied force moves it through a distance.
  W = F*d 
Power is the work done per unit time.
Power=work/time


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