Forces and Structures Flashcards

Flashcards of vocabulary terms about forces and structures.

Force

A push or a pull that can make an object start or stop moving.

Structure

Something with a definite size, shape, and purpose that can hold a load.

Gravity

The force that pulls objects towards the Earth.

Friction

The force that resists motion between surfaces in contact.

Tension

The internal force that stretches or pulls a material.

Compression

The internal force that squashes or compresses a material.

Torsion

The internal force that twists a material.

External Force

An external force that acts on an object or structure from the outside.

Internal Force

An internal force that acts from within a structure.

External Forces

External forces are pushes and pulls that come from the outside of a structure.

Shear Force

A force that acts parallel to the surface of a material, trying to slide its layers.

Forces

Forces are pushes or pulls that act on objects.

Compression Force

Occurs when you press from both sides and the structure gets smaller.

Static Load

Something that does not change. The size, position, and direction of this remains the same.

Load

A weight or source of pressure that creates an external force on a structure.