Concept explainers
a.
To determine the ratio of force to weight for the lever.
a.
Answer to Problem 43PPE
Explanation of Solution
Given:
Force applied to a lever varies directly to the weight
Lifting
Calculation:
Let’s consider force as
Now, consider the equation as,
Now,
Conclusion:
Therefore, the ratio of force to weight is
b.
To determine equation relating force to weight for the lever and also find the force needed to lift a friend whose weight is 130 lb.
b.
Answer to Problem 43PPE
Explanation of Solution
Given:
Force applied to a lever varies directly to the weight
Lifting
Weight is 130 lb
Calculation:
Let’s consider force as
Now, consider the equation as,
Now,
Now putting the value of
Now putting the value of weight as
Conclusion:
Therefore, the equation relating force to weight for the lever is
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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