← CSEC Physics lessons

A4.5 - Stretching Materials

⭐ +145 XP
  • ✓describe experiments to obtain extension–force graphs for spiral springs and elastic bands
  • ✓state and apply Hooke’s law
  • ✓identify elastic limit and regions where Hooke’s law applies
  • ✓use spiral springs and graphs to find unknown weights
  • ✓understand the meaning of the spring constant
⏱ 0 mins🎯 29 marks
💡Engage
Shock absorbers in vehicles, bathroom scales, and spring balances all rely on the stretching of spiral springs. Physics allows us to predict how much a spring will stretch and how heavy an object is using simple experiments. Mnemonic: HELS (Hooke's law. Extension ∝ Load).
💡Engage
💡Engage
💡Engage
💡Engage

How confident are you about stretching materials right now?

💡EngageQuestion 7 of 24

Predict: which statement do you think best describes a spiral spring?

0 / 1 marks
💡Engage

Did you understand stretching materials after this lesson?

💡Engage

What was your favourite part of the lesson?

💡Engage
Shock absorbers in vehicles, bathroom scales, and spring balances all rely on the stretching of spiral springs. Physics allows us to predict how much a spring will stretch and how heavy an object is using simple experiments. Mnemonic: HELS (Hooke's law. Extension ∝ Load).
1 / 8

← swipe to move between steps →

0%
Lesson progress0 / 29 marks
✓ 0 correct✕ 0 mistakes0 / 24 answered

Let's get started, you've got this! 💪

Next: A5.1 - A5.2 Force and Pressure, Pressure in Liquids and Gases →
View all topicsNext: A5.1 - A5.2 Force and Pressure, Pressure in Liquids and Gases →