Forces & Structures

The force on a bridge because of its own weight.

• tension
• deck
• dead load
• live load

The forces acting on a bridge that are not part of the bridge.  These could be things like wind, rain and vehicles.

• live loads
• dead loads
• piers
• members

A force that stretches or strains.

• compression

• friction

• gravity

• tension

A person weighs _____ on the moon than they do on Earth. 

• less
• more
• the same

What is one way you might increase the stability of an object?

• Lower the center of gravity

• Raise the center of gravity

• Increase the height of the object

• Shorten the base of the object

Which force is shown here?

• Compression

• Tension

• Torsion

• Shear

Which force is shown here?

• Compression

• Tension

• Torsion

• Shear

Which force is shown here?

• Compression

• Tension

• Torsion

• Shear

Which force is shown here?

• Compression

• Tension

• Torsion

• Shear

The strongest structural shape is _________.

• rectangular
• arched
• square
• triangular