# Statics

## Loads - force and torque, beams and columns

### • Beams and Columns

Deflection and stress, moment of inertia, section modulus and technical information of beams and columns

### Area Moment of Inertia - Converter

Convert between Area Moment of Inertia units

### Beam Loads - Support Force Calculator

Calculate beam load and supporting forces

### Beams - Fixed at Both Ends - Continuous and Point Loads

Support loads, stress and deflections

### Beams - Fixed at One End and Supported at the Other - Continuous and Point Loads

Support loads, moments and deflections

### Beams - Supported at Both Ends - Continuous and Point Loads

Support loads, stress and deflections

### Bollard Force

Rope friction around a pole - load and effort force in rope around a bollard

### Cable Loads

Force and tension in cables with uniform loads

### Center Mass

Calculate position of center mass

### Center of Gravity

Bodies and their center of gravity

### Center of Gravity and Buoyancy

Stability - center of gravity and center of buoyancy

### Density, Specific Weight and Specific Gravity

An introduction to density, specific gravity and specific weight - formulas with examples

### Earth Pressure Acting on Basement Walls

Lateral earth pressure on basement walls

### Effects of Low-Frequency Vibrations on Buildings

Effects of low-frequency vibrations on building constructions

### Energy Balance and Energy Ratio

Energy balance and energy payback ratio

### Engineering Materials

Typical properties of engineering materials like steel, plastics, ceramics and composites

### Equilibrant

The force required to keep a system of forces in equilibrium

### Fibre-reinforced Polymer Composites

Mechanical properties of fibers used to reinforce polymer composites

### Force

Newton's third law - mass and acceleration

### Force and Tension in Rope due to Angle

Reduced load capacity in ropes, cables or lines - due to angle

### Hooke's Law

Hooke's law - force, elongation and spring constant

### Levers

Use levers to magnify forces

### Mass Moment of Inertia

Mass Moment of Inertia (Moment of Inertia) depends on the mass of the object, its shape and its relative point of rotation - Radius of Gyration

### Mass vs Weight

Mass vs Weight - the Gravity Force

### Modulus of Rigidity

Shear Modulus (Modulus of Rigidity) is the elasticity coefficient for shearing or torsion force

### Poisson's Ratio for Metals

Some metals and their Poisson's Ratio

### Screw Jacks

Screw jacks and effort force

### Soil - Bearing Strength

Allowable load on soil

### Steels - Endurance Limits and Fatigue Stress

Endurance limits and fatigue stress for steels

### Stiffness

Stiffness is resistance to deflection

### Stress

Stress is force applied on cross-sectional area

### Stress in Thick-Walled Cylinders - or Tubes

Radial and tangential stress in thick-walled cylinders or tubes with closed ends - with internal and external pressure

### Stress in Thin-Walled Tubes or Cylinders

Hoop and longitudinal stress thin-walled tubes or cylinders

### Stress, Strain and Young's Modulus

Stress is force per unit area - strain is the deformation of a solid due to stress

### Support Reactions - Equilibrium

Static equilibrium is achieved when the resultant force and resultant moment equals to zero

### Thermal Expansion - Stress and Force

Stress and force when thermal expansion is restricted

### Three-Hinged Arches - Continuous and Point Loads

Support reactions and bending moments

### Torsion of Shafts

The torsion of solid or hollow shafts - Polar Moment of Inertia of Area

### Trusses

Common types of trusses

### Vector Addition

Online vector calculator - add vectors with different magnitude and direction - like forces, velocities and more

### Wire Rope Slings

Sling angle and influence on capacity

### Young's Modulus - Tensile and Yield Strength for common Materials

Young's Modulus or Tensile Modulus alt. Modulus of Elasticity - and Ultimate Tensile and Yield Strength for steel, glass, wood and other common materials