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Understanding Pressure: Force and Distribution Explained

Explore the concept of pressure in physics, including how it relates to force, distribution of weight, and the difference between force and pressure. Learn about units of pressure and solve a real-world example to deepen your understanding.

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Understanding Pressure: Force and Distribution Explained

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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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