<span>"Leaders should have a positive attitude because positive energy helps get the job done." is true of a <em>successful </em><u />leader's attitude. c:</span>
Answer:
There are three types or classes of levers, according to where the load and effort are located with respect to the fulcrum. Since humans usually provide energy to levers, "effort" and "load" are often used instead of input and output.
Class 1 has the fulcrum placed between the effort and load. Class 2 has the load between the effort and the fulcrum. Class 3 has the effort between the load and the fulcrum.
Each has its own uses and advantages.
Questions you may have include:
What is a class 1 lever?
What is a class 2 lever?
What is a class 3 lever?
This lesson will answer those questions. Useful tool: Units Conversion
Class 1 lever
A Class 1 lever has the fulcrum placed between the effort and load. The movement of the load is in the opposite direction of the movement of the effort. This is the most common lever configuration.
Explanation:
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i dont have the article so i cant really answer, but id assume switching it from prescriptions to over-the-counter will make them cheaper because you dont have to see a doctor to get them.
