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Pressure and moments4

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Pressure and moments

Pressure and moments

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  • 1. Pressure and Moments By M H
  • 2. Contents
    • Pressure……………………………………..Slide 3
    • How to work out Pressure…………….Slide 4
    • Moments……………..........................Slide 5
    • How to work out Moments……………Slide 6
    • The end………………………………………Slide 7
  • 3. Pressure
    • Pressure is the force per unit area applied in a direction perpendicular to the surface of an object.
    • Pressure is very useful when trying to know what your weight is and going to space because you have to know how far you can be from a planet and not being attracted or bounced of it’s gravitational force.
    • Pressure is useful when trying to know what someone’s blood pressure is. If we never knew what pressure was then people’s lives could be at risk
  • 4. How to work out pressure
    • Pressure = fore divided by area.
  • 5. Moments
    • Forces that act on objects that have a fixed point - such as the hinge of a door, or the axle of a wheel - may make that object rotate. We call the turning effect of a force the moment.
  • 6. How to work out a moment
    • Moment=Force times the distance form the pivot.
    D F M
  • 7. The End