Question

What are torsion and shear forces?

Answer 1

Answer:

TORSION

A force that twists something iscalled torsion. The shape of the twisted object can also be called torsion, like the torsion of a tree's branches that makes it tricky to build a treehouse. The turning or twisting force that causes torsion is called torque.

Ex - Twisting a simple piece of blackboard chalk between ones fingers until it snaps is anexample of a torsional force in action. A common example of torsion in engineering is when a transmission drive shaft (such as in an automobile) receives a turning force from its power source (the engine).

SHEAR FORCES

A force acting in a direction parallel to a surface or to a planar cross section of a body, as for example the pressure of air along the front of an airplane wing.Shear forces often result in shear strain. Resistance to such forces in a fluid is linked to its viscosity. Also called shearing force.

For example, when a piece of paper is cut by scissors.

Answer 2

Answer:

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✪Shear Force:▶

>>>Two forces acting in opposite directions on a body and are unaligned is called as shearing force.

Example:- A pair of scissors put force in opposite direction on a paper which cuts the paper.

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✪Torsion Force:▶

>>>Moment of Force or in other words, Torque is the tendency of a force to rotate an object about its axis (or pivot).It pushes a body (or pulls). Just like that, a Torque can be thought as a twist to an object. In the view of object, what happens to it

It gets twisted. Such a behaviour is known as "Torsion"

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