Structures and Forces

What is friction?

• shell structure

• live loads

• Helps things stay together

• dead loads

Which type of force is shown here?

• Compression

• Tension

• Torsion

• Shear

True or false

A dead load is an unchanging, non-moving force.

• True

• False

What is the amount of matter that is in an object called?

• Mass

• Tension

• Structure

Which type of structure is the Eiffel Tower?

• Solid

• Shell

• Frame

True or False

A live load is a moving, changing force.

• True

• False

Which force is shown here?

• Compression

• Tension

• Torsion

• Shear

Which force is shown here?

• Compression

• Tension

• Torsion

• Shear

Why do builders put triangles in their structures?

• Makes them stronger/more sturdy

• Looks cool

• Mass

• Shear

Which force is shown here?

• Compression

• Tension

• Torsion

• Shear