Topic Content:
- Balancing Method
An equation is basically saying that two things are EQUAL since in a balanced situation the two sides of the balance hold equal weight, we can model simple equations with a balance.
In the examples below, each circle represents, “one” (1), and the block represents the unknown “x“. To find out what the block weighs, you can do the following:
1. Add the same amount (circles or blocks) to BOTH sides.
2. Take away the same amount from BOTH sides.
3. Multiply BOTH sides by the same amount.
4. Divide BOTH sides by the same amount.
That way both sides will maintain the balance or “equality”
Example 5.1.1:
The diagram shows a balanced lever. The objects on both sides of the fulcrum (triangle) are equal.
Represent the unknown with the letter x
A block \( \scriptsize \boxed {?} \) Represents x which is unknown
A circle \( \Large\circ \) Represents 1
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