Topic 7 Structures

What are the 2 categories of loads?

• Static and Dynamic Loads
• Live and Dead Loads
• Environmental and Concentrated Loads
• Concentrated and Dead Loads 

Tags

NGSS.MS-PS2-5

The house walls, roof, floor and all the parts of the house would make up the __________ load

• Live 
• Environmental
• Dead
• Static 

Tags

NGSS.MS-PS2-2

High winds pushing a tall building would be a ____________ load

• Dynamic
• Static 
• Live 
• Dead 

Tags

NGSS.MS-ETS1-2

The strongest structural shape is _________.

• rectangular
• arched
• square
• triangular

Bridge A collapsed because there was too much traffic on the bridge. The bridge collapsed due because

• it could not support its dead load

• it could not support its live & dead loads

• it could not support its live load

• the bridge was hit by wind

Tags

NGSS.MS-PS2-2

Bridge B collapsed under its own weight. What cause the collapse?

• the live load

• the environmental load

• too much traffic on the bridge

• the dead load

Tags

NGSS.MS-PS2-2

A twisting force that acts on structures is called:

• torsion

• tension

• shear

• magnitude

Forces acting in opposite directions of each other results in:

• torsion

• tension

• shear

• magnitude

This is an example of what type of force?

• Shear

• Torsion

• Compression

• Tension

• Bending

Tags

NGSS.MS-PS2-2

This is an example of what type of force?

• Tension

• Torsion

• Shear

• Compression

• Bending