Forces and Stressess

Which one of the following best describes the force acting upon a tug-of-war rope when in use?

• Compression

• Tension

• Torsion

• Shear

Which one of the following best describes a static load?

• A slow moving load

• A stationary load

• A very heavy load

• A very light load

Study the image of the flexible ruler above. The force exerted on the ruler mean that the outer surface is under ____________ and the inner surface is under ________________.

Select the action that a torsion force has on a material.

• Pulling

• Pushing

• Twisting

• Cutting

Which one of the following best describes laminating?

• Permanently bonding two or more layers of a material, or different materials together

• Making a material stronger

• Using webbing to make a material stronger

• Combining two or more materials together to create a hybrid material

Which one of the following best describes a composite material?

• A material that is very stiff and rigid

• A very strong material made up from many layers of different materials

• A combination of different materials

• A material made by combining different materials together to create a new material with improved properties

Which one of the following best describes a football?

• Frame structure

• Solid structure

• Temporary structure

• Shell structure

Which one of the following best describes scaffolding?

• Solid structure

• Frame structure

• Temporary structure

• Shell structure

What would happen if a dynamic force pushed against the square frame

from the direction of the arrow.

• Nothing.

• The frame would try to deform into a diamond shape.

• The frame would twist.

• It would collapse.

What type of bridge is shown?

• Truss

• Cable Stay

• Suspension

• Cantilever