# Statics

## Forces acting on bodies at rest under equilibrium conditions - loads, forces and torque, beams and columns.

### • Beams and Columns

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

### 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

Stress, deflections and supporting loads.

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

Supporting loads, moments and deflections.

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

Supporting loads, stress and deflections.

### Bollard Forces

Friction, load and effort forces acting in ropes turned around bollards.

### Cable Loads

Force and tension in cables with uniform loads.

### Center Mass

Calculate position of center mass.

### Center of Gravity

A body and the center of gravity.

### Center of Gravity and Buoyancy

Stability - the center of gravity vs. the center of buoyancy.

### Density vs. Specific Weight and Specific Gravity

An introduction to density, specific weight and specific gravity.

### Earth Pressure Acting on Basement Walls

Calculate lateral earth pressure acting on basement walls.

### Engineering Materials - Properties

Some typical properties of engineering materials like steel, plastics, ceramics and composites.

### Equilibrant Force

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 - force vs. mass and acceleration.

### Forces and Tensions in Ropes due to Angle

Reduced load capacities in ropes, cables or lines - due to acting angle.

### Hooke's Law

Hooke's law - force, elongation and spring constant.

### Levers

Use levers to magnify forces.

### Low-Frequency Vibrations Effects on Building Constructions

Effects of low-frequency vibrations on building constructions.

### Mass Moment of Inertia

The Mass Moment of Inertia vs. mass of object, it's shape and relative point of rotation - the 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 Ratios Metals

Some metals and their Poisson's Ratios.

### Restricted Thermal Expansion - Force and Stress

Stress and force when thermal expansion a pipe, beam or similar is restricted.

### Screw Jack - Effort Force vs. Load

Screw jacks and effort forces.

### Shafts Torsion

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

### Soil - Bearing Strength

Allowable loads 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 Cylinders or Tubes

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.

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

Support reactions and bending moments.

### Trusses

Common types of trusses.

### Typical Floor Loads

Uniformly and concentrated floor loads

### Vector Addition

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

### Wire Rope Slings

Sling angles and influence on capacity.

### Young's Modulus, Tensile Strength and Yield Strength Values for some Materials

Young's Modulus (or Tensile Modulus alt. Modulus of Elasticity) and Ultimate Tensile Strength and Yield Strength for materials like steel, glass, wood and many more.