Question

What is the working principle of lever.

Answer 1

Explanation:

It has been found by experiment that two equal forces acting in opposite directions, i.e., clockwise and counterclockwise, and applied to a uniform lever at equal distances from the fulcrum counteract each other and establish a state of equilibrium, or balance, in the lever.

Answer 2

$\huge\bf\blue{Question}$

What is the working principle of lever.?

$\huge\bf\green{Answer}$

• it has been found by experiment that two equal forces acting in opposite direction that is clockwise and anticlockwise.
• it is applied to a uniform level at equal distance from the fulcrum counteract each other.
• the law of lever was proven by Archimedes using geometric reasoning.
• there are there types of lever:-

1. 1st lever
2. 2nd lever
3. 3rd lever