5.4 - Forces

Name the type of force applied to the rope in the image?

• Tension
• Friction
• Compression
• Gravity

Name the force which occurs when a physical force presses inward on an object, causing it to become compacted?

• expansion force
• tension force
• shear force
• compression force

Name the type of force seen in the image?

• Torsion

• Shear

• Compression

• Tension

Name the type of force seen in the image?

• Torsion

• Compression

• Shear

• Tension

What is a composite material?

• A material made from two or more constituent materials with significantly different properties
• A material made from organic compounds only
• A material made from synthetic fibers only
• A material made from only one type of constituent material

Which one of these is an example of a composite material?

• MDF

• Plastic
• Aluminum
• Steel

Why do plastic bottles have 'ribs' in them?

• To provide structural support and prevent collapsing
• To add extra weight to the bottle
• To make the bottle more difficult to hold
• To make the bottle easier to crush