Why is it important to secure file cabinets to the floor, especially cabinets with heavy loads in top drawers?

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Q: Why is the tip of nib of fountain pen split?

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Q: Name four properties which can be determined by a tensile test. (just name them)

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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.