Physics, asked by Tigerisback658931, 3 months ago

3. What is the principle of a lever? Write an
expression for its mechanical advantage.



Please tell short answer and write answer​

Answers

Answered by cool5257boy
2

Answer:

According to the principle of moments when an object is in equilibrium the sum of the anticlockwise moments about a turning point must be equal to the sum of the clockwise moments. 

i.e Load × Load Arm = Effort × Effort Arm

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