# Shearing Stress

PhysicsSolid Deformation

#### Class 11th Physics - Elasticity

6 Lectures 1 hours

#### Class 11th Physics - Oscillations

12 Lectures 2 hours

#### Class 11th Physics - Waves

14 Lectures 3 hours

## Introduction

Shearing stress refers to a deforming force on those cats as per unit area as well as in the direction of perpendicular number axle. An object that is stressed experiences shear stress, as well as tangential stress. If the shearing stress is normal as well as longitudinal stress that force vector can also be perpendicular in terms of the cross-sectional area on which acts on the particular objects.

Simply, the shearing stress is a kind of stress that acts as a coplanar with the cross-section of material. Shear force is the principal reason for rising the shear stress. This type of stress stands for the pair of forces that acts as the opposite of the magnitude that is equivalent to the other direction of the object.

This stress belongs to the vector quantity that refers to the direction of the object that is also involved with the magnitude of the object.

## Definition of Shearing Stress

The actual meaning of the shear is to cut off, during the time of applying force on the area of the surface of the rigid body then the applied force intends for cutting off the stress and force of the metallic body. Shearing stress is the very kind of stress which acts as the coplanar with the cross-section area of the body materials (Kumar & Mandal, 2018).

It belongs to the vector quantity and represents by the Greek symbol Ԏ

Bending Stress is that force which acts in the parallel axle of the machinery body.

## Formula and units of Shearing Stress

Figure 1: Shear stress

The shearing stress stands for Ԏ which is a Greek letter. The Shearing stress is mainly calculated by the formula Ԏ = F/A in which F stands for the applied force that cats on the body structure of the machinery particles and A stands for the cross-section area of the body structure of the machinery body (Hefnawy et al. 2018).

The shearing stress is also severally acted upon the on the machinery body by the transverse force that is entirely dependent on the bending moment represented by the symbol of M(x) and the shear forces which represent by the symbol of V(x).

## The calculation process of Shearing Stress

Figure 2: Shaer elasticity and shear stress

The distribution of the stress of the machinery body can be presented with the formula

Ԏxy = VQ/It

In this formula, V stands for the sheer force in the cross-section area, Q denotes the area moment, t refers to the width of the body section of the machinery particles, and I stands for the moment of inertia of the area (Moneva et al. 2021).

The measuring unit of the shearing stress is the same as other kinds of stress. The SI unit of shearing stress is N/m2 or Pa and in another English system, the unit varies to lbf/ft2 (Hefnawy et al. 2018).

Another significant calculation process of the shearing stress is Ԏ = F/A where Ԏ stands for shearing stress, F denotes the applied force on the machinery body and A represents the cross-section area of the body structure of the machinery body that is also parallel with the vector force.

## Real-life application of Shearing Stress

Figure 3: Shear modules

The real-life application of the shearing stress can be seen in different household activities like painting, and brushing as well as the time applying lotion on the body shearing stress is commonly seen (Chirca et al. 2020). In terms of making bread or dosa the application of shearing stress is generally seen. Besides this, scrolling on the smartphone and sliding on the park the application of shearing stress is seen as well (Polacchi et al. 2019).

At the time writing on the blackboard or cutting vegetables is the perfect example of shearing stress.

## Conclusion

Shearing stress can be classified into two different categories that are bending stress and pure shear stress. The Pure shear stress is mainly produced by twisting a gas cylinder. The basic difference between the bending stress and pure shear stress is that bending stress is parallel to the axle of the member while the other type of stress is perpendicular to the axle of the member. The bending stress also known as the flexural stress is applicable mainly to solid objects. Shearing stress is slightly different to sheer force as this type of force refers to an internal force that is applicable to the material. Shearing stress is the in the unit of shear force while shear force is mainly relied on the area.

## FAQs

Q1. What is the basic difference between the shear stress as well as tensile stress?

Ans: The principal difference between the shear stress as well as tensile stress is that tensile stress can be applied to the material at the right angles of the body surface. The shear stress represents the deforming force that is applied on the parallel surface of the metallic body.

Q2. What are the different units of shear stress?

Ans: The fundamental unit of shear stress is Kg.m-1.s-2, while the SI unit is N/m2/ Pa or pascal. The US unit of shear stress is lbf/ft2 / Psi (lbf/inch2)

Q3. What are the principles of shear stress?

Ans: The principle of shear stress si it acts on a principal plane and the place that carries the maximum level of normal stress is known as the main principal stress. Another principle of shear stress is that can be seen in the solid or fluid materials.

Q4. What is the significance of the shear stress?

Ans: Shearing stress can also take place in the fluid during the time fluid is flowing through the solid structure. The Shearing stress is also observed during the point of that located between the fluid point and its boundary.

Updated on 13-Oct-2022 11:19:47