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Chapter 3 Section 1

Chapter 3 Section 1. “Pressure” Pages 78- 83. What is pressure?. Related to the word press A force pushing on a surface Examples…. Walking in deep snow. What does distribution of weight mean?. The greater the area that weight is distributed the lower the pressure.

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Chapter 3 Section 1

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  1. Chapter 3 Section 1 “Pressure” Pages 78- 83

  2. What is pressure? • Related to the word press • A force pushing on a surface Examples…. Walking in deep snow

  3. What does distribution of weight mean? • The greater the area that weight is distributed the lower the pressure.

  4. How can we tell the difference between force and pressure?

  5. Pressure = Force / Area Pressure is equal to the force exerted on a service divided by the total area over which the force is exerted

  6. When an are is measured in square meters… • The unit of pressure is N/M2 • Or called pascal (Pa) • 1 N/M2 = 1 Pa

  7. Try this… • A solid block of wood has a square base 1m X 1m and weighs 5,000 N. How much pressure does it excerpt on the floor underneath.

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