Levers
Levers: Overview
This Topic covers sub-topics such as Lever, First Class Lever, Second Class Lever, Third Class Lever, Load in a Lever, Effort in a Lever and, Fulcrum in a Lever
Important Questions on Levers
What is the position of the effort in a third-class lever?
Which of these is a third class lever?
In a second-class lever, the load is located between the fulcrum and the effort.
What is a second-class lever? Give any two examples of the second class lever.
In a first-class lever the fulcrum is located between the effort and load.
Discuss the first class lever with example.
An external force applied to a simple machine to overcome the load is effort.
The point at which a lever is supported is called as
The point at which lever is supported is called a fulcrum.
Mention the types of levers with the position of loads in a simple machine.
What is a lever explain its principle? Discuss mechanical advantage for a first, second, and third-class lever? Justify the statement, “Lever of class 2 are force multiplier; whereas, class 3 is a distance multiplier.”
Find out the simple machine used in the tongs.
Find out the simple machine used in the toaster handle.
Find out the simple machine used in the door.
Identify the class of lever. Identify the fulcrum of it.
Identify the class of lever. Identify the fulcrum of it.
Identify the class of lever. Identify the fulcrum of it.
