Unit #4: Structures and Forces

Squeezing is another term for torsion.

• True
• False

Cars driving across a bridge are an example of a live load.

• True
• False

Stretching is another term for tension.  

• True
• False

Compression is an example of a pulling force.

• True
• False

Tension is an example of a pushing force.

• True
• False

What force is applied to the cables of a suspension bridge?

• Torsion
• Compression
• Bending
• Tension

The force that a leg of a desk is holding is an example of a...

• External Force
• Live Load
• Internal Force
• Push and Pull

An object that provides support is called ________.

• a structure
• a design
• the brace
• supportive

The strongest structural shape is _________.

• rectangular
• arched
• square
• triangular

You see a crane carrying a load of supplies at a construction site. The rope holding the supplies to the crane is experiencing _____________. 

• compression 
• tension
• buckle
• torsion