Forces In Stuctures

Question 1

What is a force

Answer 1

A force is either a push or pull that can cause an object to move, change direction or change shape (deform)

Question 2

External forces

Answer 2

An external force acts on an object from outside the object forces caused by a push or pull on a structure such as the weight of the people in the structure or even natural hazards or disasters.

Question 3

Internal forces

Answer 3

There are four internal forces

Compression tension torsion and bending forces on the inside of a structure and are caused by external forces

Question 4

Tension

Answer 4

Tension occurs when a force is applied to an object that stretches it apart

Question 5

Compression

Answer 5

Compression occurs when to opposite forces act to push an object together

Question 6

Bending

Answer 6

Bending is the change of deformation in a material caused by stress or force

Question 7

Torsion

Answer 7

Torsion occurs when to forces twist an object if opposite directions