The Fundamental Equation of Equilibrium

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Presentation transcript:

The Fundamental Equation of Equilibrium The Simple Balance Part II The Fundamental Equation of Equilibrium

Two ways to restore the horizontal equilibrium Transfer of weight Adding unequal weights Two ways to restore the horizontal equilibrium

These two equations describe the two separate ways to restore the horizontal equilibrium of the balance.

If we divide one side of each equation by the other side, then the ratios are equal to one in each case; therefore, their ratios are equal to each other

The ratios equal to each other allows us to solve for the change or transfer of weight.

We can solve for the change,

Solving for the amount of the transferred weight that will produce the same change in the balance as adding unequal weights

The Fundamental Equation of Equilibrium This fundamental equation of equilibrium tells us the amount of weight to transfer from one side to the other in order to produce the same change in the balance as when we add unequal weights to each side.

The Fundamental Equation of Equilibrium This is an important equation of equilibrium. The reasons for this will be seen in further presentations.