Forces and properties

What is the name of the force that stretches materials?

• Compression

• Tension

• Torsion

• Shear

What is the name given to the force that compacts materials?

• Compression

• Tension

• Torsion

• Shear

What is the name of the force that twists materials?

• Compression

• Tension

• Torsion

• Shear

What is the name of the force slices material a part?

• Compression

• Tension

• Torsion

• Shear

When steel concrete reinforcements are bent to shape what force acts on the inside of the bend?

• Compression

• Tension

• Torsion

• Shear

When steel concrete reinforcements are bent to shape what force acts on the outside of the bend?

• Compression

• Tension

• Torsion

• Shear

Hydraulic guillotines are used to cut metal plate what force does it use?

• Compression

• Tension

• Torsion

• Shear

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Manufactured boards are made by cutting up solid timber wood and sticking it back together again in different ways. Which board is made by sticking together very thin layers of hardwood?

• MDF
• plywood
• chipboard
• hardboard

What is this material?

• Blockboard

• Plywood

• M.D.F.