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2 cards from this section. Quick, good the night before a test.
Define tensile strength.
Think about how much you can pull on a rope before it snaps.
What is impact resistance?
Consider why sports helmets are made from certain types of plastics.
What does tensile strength measure?
Think about materials that you can pull without them breaking.
True or False: Thermosetting plastics are generally more impact resistant than thermoplastics.
Remember the applications of flexible plastics.
Imagine you need to select a plastic for a safety shield in a sports arena. Discuss how you would consider tensile strength, impact resistance, and creep in your decision-making.
Focus on the type of forces and stresses that the shield would face.
Evaluate a scenario where a plastic beam is used in constructing a load-bearing ceiling. Discuss the implications of creep on its longevity.
Consider how long-term loading can affect materials.
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