A. A uniform meter stick of length L = 1.0 m has a 0.20 kg mass suspended by a string from its left side, and rests on a triangular support that is 0.25 m from the left side. If the meter stick is balanced what is its mass? L 0.20 kg

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Rotational Equilibrium And Rotational Dynamics

In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics. 

Equilibrium of Forces

The tension created on one body during push or pull is known as force.