All posts in: Strength of Materials

• 9 hours ago

Hooke’s Law and Modulus of Elasticity

Hooke’s Law According to Hooke’s law for a small deformation, the stress in a body is proportional to the corresponding strain.” i.e., stress ∝ ..

• 2 months ago

Principle of Superposition

According to the principle of superposition of forces, when a Hookean body (An elastic body or material for which Hooke’s law equation can be assumed is said ..

• 5 months ago

Engineering Mechanics

Engineering mechanics is the study of forces that act on bodies and the resultant motion that those bodies experience. Engineering mechanics subject involves ..

• 7 months ago

Types of Mechanical Forces

A force exerted on a body can cause a change in either the shape or the motion of the body. The unit of force in SI system is the newton (N) and CGS system is dyne. ..

• 8 months ago

Different types of loads  in engineering mechanics are compression, tension, torsion and bending. Compression: Compression loading is an effect in which the component ..

• 8 months ago

Couple (Mechanics)

The moment produced by two equal, opposite and noncollinear forces is called couple. Couples have certain unique properties and important applications in mechanics. ..

• 9 months ago

Laws of Friction

The sliding of a solid body in contact with another solid body is always opposed by force of friction. Friction acts in the direction opposite to that of relative ..

• 10 months ago

Lagrange-d’Alembert Principle

Lagrange-d’Alembert principle is generally known as D’Alembert’s principle, stated by French physicist and mathematician polymath Jean le Rond ..

• 11 months ago

Free-Body Diagram

To fully understand the safety of a machine, all forces that act on the links need to be examined. It is widely accepted that the best way to track these ..

• 12 months ago

Coefficient of Friction The coefficient of friction (μ), is a measure of the amount of friction existing between two surfaces. A low value of coefficient ..

• 12 months ago

Newton’s Laws of Motion

The problems of mechanics can be solved by Newton’s laws of motion. The three laws proposed by Sir Isaac Newton, described as follows. Newton’s First ..

• 1 year ago

Mechanical Properties of Materials

Mechanical properties helps us to measure how materials behave under a load. Mechanical properties of materials are mentioned below. Elastic Material: A material ..

• 1 year ago

Varignon’s Theorem

According to Varignon’s theorem, the algebraic sum of several concurrent forces about any point is equal to the moments of the moments of their resultant about ..

• 1 year ago

Slenderness Ratio

Slenderness ratio is the ratio of the effective length of a column (Le) and the least radius of gyration (r) about the axis under consideration. It is given by ..