Concept explainers
Which weight must be closer to the fulcrum in order for the lever to balance? Explain.
Answer to Problem 7LC
Heavier weight.
Explanation of Solution
Given Information:
Suppose you place two different weights on a lever.
Concept Used:
- Inverse variation is used.
- The weight of an object on a lever and its distance from the fulcrum are in inverse variation.
- The product of the weight of the object and its distance from the fulcrum is always constant.
Calculation:
From the above equation if
So the heavier weight is more closer to the fulcrum to balance the lever.
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