established the formula for potential energy of an object of mass (m) situated at height (h) pe=mgh
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to prove:-
work = force *displacement
work= f*d
w= m*a*d(force= mass*acceleration)
w=m*g*h(acceleration= acceleration due to gravity [g], displacement=hieght)
w=mgh
as energy is the capacity to do work
P.E= mgh
work = force *displacement
work= f*d
w= m*a*d(force= mass*acceleration)
w=m*g*h(acceleration= acceleration due to gravity [g], displacement=hieght)
w=mgh
as energy is the capacity to do work
P.E= mgh
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