Lesson 14 — Tension

• Force
• Middelbare school
• havo, vwo
• Leerjaar 1

Tension

This lesson

•  What is tension?
• Examples of tension
• Extension
• Upthrust

Learning goals

•  Explain what tension is and give examples of tension.
• Be able to calculate extension.
•  Explain what is meant by the elastic limit in your own words

Tension

• The force of a material trying to get back to it's original shape
  

Demonstration materials

• Spring
• Rope
• Balloon
• Cloth

Examples of tension?

Extension

Extension

Link

Exercise

A) A weight of 12 Newtons is hung on a spring. Without the weight the spring has a length of 16 cm. With the weight the spring has a length of 21 cm. Calculate the extension of the spring.

B)Bonus: How long would the spring become if a weight of 24 Newtons was hung on it?

Elastic limit

Elastic limit

Exercise

Read: 1.8 Tension and upthrust

Do: The yellow block exercises and the workbook exercises

Upthrust

Upthrust

Upthrust

Learning goals

•  Explain what tension is and give examples of tension.
• Be able to calculate extension.
•  Explain what is meant by the elastic limit in your own words