Issace Newton အမွတ္တရပံုရိပ္မ်ား
W=F×s=w.s=mgh
Where,
W=work done (joule,J)
F= Force applied (newton,N)
s= displacement (metre, m)
w= weight (newton ,N)
m=mass (kilogram, kg)
g= acceleration due to gravity
h=height (metre, m)
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