What is Mechanical Force?

Definition of Mechanical Force

A mechanical force can be defined as a force that features some direct contact between two objects (one applying the force and another which is in a state of rest or in a state of motion) and results in the production of a change in the state of the object (state of rest or state of motion).

Types of Mechanical Force

There are three main types of mechanical forces and they are as follows:

  • Tensile force: This is the stretching force acting on the material with tensile stress and tensile strain as the two components. When a material is subjected to tensile force, the material experiences stretch resulting in the elongation by the length and contraction in the cross-section. Stretching of rubber band is an example of tensile force.
  • Compressive force: When the material is exposed to crushing or squeezing, the material is said to be under compressive force. The pillar which supports the bridge is said to be under compression. The length of the material decreases when compressive force acts on any material.
  • Shear force: The force acting on a given material in the perpendicular direction is known as shear force. This force is a whole of shear stress and results in shear strain. Using shear force, the material can be bent, slid or twisted.

Example of Mechanical Force

A common example of mechanical force is the closing and opening of traditional doors. In order to open or close a door, A human being must come in contact with the door and apply a force to change the state of the door. Typically, the door is in a state of rest and a force must be applied to it in order to put it into a state of motion (the opening or the closing of the door).

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