Which force pulls objects toward Earth?

Gravity
Friction
Magnetism
Tension

A bridge collapsing under too much load is an example of what kind of force failure?

Compression failure
Torsion failure
Shear failure
Overload failure

What is the main purpose of an arch in a bridge?

To support heavy loads by spreading forces
To provide decoration
To reduce heat
To increase flexibility

Which type of structure is formed from many similar parts joined together?

Frame structure
Shell structure
Solid structure
Load structure

Which force acts upward against gravity in a floating object?

Tension
Compression
Buoyant force
Shear force

What type of load is caused by wind pushing against a tall building?

Dead load
Dynamic load
Torsion load
Compression load

Which term describes how strong a material is before breaking?

Elasticity
Flexibility
Strength
Density

Which simple machine is a seesaw an example of?

Lever
Inclined plane
Pulley
Wedge