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Formula
Mass = Force x Distance
Principle of Moments
when a body is in equilibrium the sum of the clockwise motion will equal the anticlockwise motion at any point
Formula for PoM
cm = acm
f1 x d1 = f2 x d2
Centre of gravity/ center of mass
Where all the weight is concentrated
Verifying the PoM
Place object on both sides of the pivot and adjust untill balanced
Record distance of weight to the pivot
Calculate PoM
Repeat experiment