Structures review

Tension force is

• Pulling
• Compression
• Twisting
• Bend or pull in opposite directions

Tension stress can be useful. How?

• Reduces stress
• Crushing a pop can
• Strings on a guitar play music
• Increases stress

_____ is the point that gravity acts on. 

• Base point
• Checkpoint
• Weight of gravity
• Center of gravity

A structure that resists falling over is said to be ________________.

• Aesthetic

• Cost

• Stable

• Design

In order for a structure to be stable, the center of gravity must be...

• high
• low
• in the middle
• on the outside

Which of the following shapes is the strongest?

• triangle
• square
• arch
• ovals

If you are making a container to hold something, you would want a ________ structure.

• Frame
• solid
• shell
• combination

If you are making the foundation of a building, you would need a _______ structure.

• solid
• frame
• shell
• combination

If you are making a bicycle, the main structure you would need is

• solid
• frame
• shell
• combination

Static and dynamic loads are described in terms of 

• forces
• mass
• weight
• movement