5. Levers
A lever is a machine that turns about a pivot. It consist of the effort (the
applied force), load (the object on which the force is being applied) and
pivot (point where most movement occurs) .
A lever provides mechanical advantage. Mechanical advantage refers to
how much a simple machine multiplies an applied force. Whatever little
force we apply, the lever will multiply it. This means when using a lever we
don’t have to apply as much force.
We can use the least amount of effort. This makes our work easier
The location of the effort, load, and pivot will determine the type of lever.
6. Types of Levers:
First Class Lever
Second Class Lever
Third Class Lever
9. Conclusion
A lever makes work easier for man because it allows us to exert less force.
A lever consist of consist of the effort (the applied force), load (the object on which
the force is being applied) and pivot (point where most movement occurs) .
There are three types of levers:
1st class lever
2nd class lever
3rd class lever