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Table of contents
1.
Introduction
2.
Engineering Mechanics
3.
Features of Engineering Mechanics
4.
Parts of Engineering Mechanics
4.1.
Statics
4.2.
Dynamics
5.
Various parts of Dynamics
5.1.
Kinetics
5.2.
Kinematics 
6.
Difference between Statics and Dynamics
7.
Frequently Asked Question
7.1.
What is the difference between statics equilibrium and dynamics equilibrium?
7.2.
What effects does friction have on moving objects?
7.3.
What is a moment of force? 
7.4.
What are the primary differences between scalar and vector quantities in Mechanics?
7.5.
Which types of forces and effects does statics consider?
8.
Conclusion
Last Updated: Mar 27, 2024
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What Is Division of Engineering Mechanics

Author Vidhi Sareen
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Introduction

Ever wondered how buildings stand tall, cars zoom, and bridges support immense weight? The Division of Engineering Mechanics has the answer to solve these questions.

What Is Division of Engineering Mechanics

In this article, we will learn about the division of Engineering mechanics. Engineering Mechanics is like the superhero of engineering—it helps us understand how things move, balance, and stay steady. The science behind sturdy buildings, fast cars, and safe bridges makes our world work smoothly.

Engineering Mechanics

Engineering Mechanics is about understanding how forces influence objects and make them move. It's essential in building things, studying materials, making machines, and designing stuff for airplanes and space. Imagine it as the basic building block for learning about balance, movement, materials' strength, and how fluids behave. Engineering Mechanics is like using math, science, and engineering knowledge to understand how things move and how forces change them. It also examines the basic concepts that shape how we create things in engineering nowadays.

Engineering Mechanics
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Features of Engineering Mechanics

Some of the features of Engineering Mechanics are:

Features of Engineering Mechanics
  • Engineering mechanics strongly emphasizes understanding how forces affect the motion and equilibrium of things.
     
  • Engineering Mechanics looks at the circumstances in which an item experiences uniform motion or remains stationary, considering both translational and rotational equilibrium.
     
  • Engineering mechanics is the basis for constructing and analyzing structures, machinery, and systems.
     
  • Engineering Mechanics examines Materials' mechanical properties to determine how they react to various loads and forces.

Parts of Engineering Mechanics

In engineering mechanics, we contain two basic categories: statics and dynamics. These classes enable us to determine how things operate and interact in various situations.

Statics

Statics allows us to understand how and what  forces objects to stationary. It's about understanding how things remain stationary even when pushed or pulled. Statics help us figure out how the forces acting on that object, like the weight of the book and the table pushing back, balance out so the object doesn't start moving on its own. 

When engineers design a bridge, they must ensure it can support the weight of cars and trucks without collapsing. They use statics to determine how the forces from the vehicle's weight and the bridge are balanced.

Statics

When you sit on a chair, legs of the chair experience the force of your weight pushing down. Statistics helps engineers design chairs that can support various weights without breaking.

Dynamics

Dynamics is all about figuring out how pushes and pulls affect moving things. For instance, if we're looking at a moving object and studying how forces impact its motion, that's the field of dynamics. When you swing back and forth on a swing, dynamics come into play as the force you apply and how gravity affects your movement creates the swinging motion.

Dynamics

Kicking a soccer ball involves dynamics as the force of your kick and the ball's shape determine its trajectory and how far it travels.

Dynamics

Various parts of Dynamics

There are two parts of Dynamics, Kinetic and Kinematics.

Kinetics

Kinetics explores how things move and interact in physics and chemistry. Mechanics covers how a system's motion and the reasons for it (like forces and torque) are connected. A real-life example of kinetics is the process of rusting, where iron reacts with oxygen in the presence of moisture to form iron oxide (rust). 

Kinetics

Chemical kinetics studies how quickly a reaction occurs and how factors like humidity, temperature, and catalysts influence it. Knowing how these reactions happen can let us guess and manage the creation of rust in different situations, like buildings made of metal or cars.

Kinematics 

Kinematics is the counterpart to kinetics within the realm of dynamics. It focuses on describing the motion of objects without delving into the causes or forces behind their movement. Kinematics affects the study of displacement, velocity, acceleration, and the relationships between these quantities. 

Kinematics

Imagine a car driving along a straight road. Kinematics would involve measuring and analyzing aspects like the car's position at different points in time, its speed, and how it changes over time (acceleration). It talks about how the car moves without understanding what makes it speed up or slow down. In this situation, kinematics helps us figure out how the car moves without getting into all the complicated stuff about the engine or other things pushing or pulling it.

Difference between Statics and Dynamics

There are many differences between Statics and Dynamics. Some of them are:

Statics Dynamics
Statics forces deal with stationary objects like buildings, bridges, towers, etc.  Dynamics deals with moving objects like cars, planes, trains, etc.
Civil engineers focus on statics, designing structures that don't move, like buildings and bridges. Mechanical engineers work with dynamics, creating machines and moving parts like levers and pulleys.
Statics concerns forces and their effects on objects at rest. For example, they are considering forces acting on a stationary body. Dynamics involve forces and their effects on objects in motion. For instance, they can analyze forces on a moving body.
Statics involves calculating a structure's balance, equilibrium, and internal forces. Dynamics deals with acceleration, velocity, and external forces impacting the movement of objects.
Bridges, tall buildings, and dams are typical statics examples. Cars, roller coasters, and rockets are common examples of dynamics.

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Frequently Asked Question

What is the difference between statics equilibrium and dynamics equilibrium?

In a state of statics equilibrium, no acceleration and no net force or moment are acting on the item, which causes it to be at rest. While an object travels at a constant speed (which could be zero) and is not subject to any net forces or moments, dynamics equilibrium occurs.

What effects does friction have on moving objects?

The force known as friction opposes the motion or tendency of motion between two surfaces in contact. Friction slows an object in motion by acting in the opposing direction to its velocity.

What is a moment of force? 

The turning effect caused by a force applied at a distance from a point (often a pivot or axis of rotation) is known as a moment of force, also known as torque.

What are the primary differences between scalar and vector quantities in Mechanics?

Mass, temperature, and speed are examples of scalar quantities, which have only magnitude. Like force, velocity, and displacement, vector values have a direction and a magnitude.

Which types of forces and effects does statics consider?

Statics deals with forces on stationary objects, focusing on balance and stability. Dynamics involves forces on moving objects, emphasizing motion, acceleration, and impact effects.

Conclusion

In this article, we learn about what is the division of Engineering Mechanics. We also learned about the unique features of Engineering Mechanics. We even explore parts of Engineering Mechanics like Statics and Dynamics. We learned about various parts of Dynamics like Kinetics and kinematics. We even discussed the difference between Statics and Dynamics.

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