physics form 4 chapter 3

Upload: drrnrr

Post on 04-Jun-2018

391 views

Category:

Documents


3 download

TRANSCRIPT

  • 8/13/2019 Physics Form 4 Chapter 3

    1/12

    3.1 Understanding Pressure

  • 8/13/2019 Physics Form 4 Chapter 3

    2/12

    Why can you press a drawing pin into a piece of wood but

    not a coin even though you exert the same amount of force?

  • 8/13/2019 Physics Form 4 Chapter 3

    3/12

    Pressure = Force

    Area

    P = F

    A

  • 8/13/2019 Physics Form 4 Chapter 3

    4/12

  • 8/13/2019 Physics Form 4 Chapter 3

    5/12

  • 8/13/2019 Physics Form 4 Chapter 3

    6/12

    Only the component of the

    force which is perpendicularto the surface is used to

    determine the pressure.

  • 8/13/2019 Physics Form 4 Chapter 3

    7/12

  • 8/13/2019 Physics Form 4 Chapter 3

    8/12

  • 8/13/2019 Physics Form 4 Chapter 3

    9/12

  • 8/13/2019 Physics Form 4 Chapter 3

    10/12

  • 8/13/2019 Physics Form 4 Chapter 3

    11/12

  • 8/13/2019 Physics Form 4 Chapter 3

    12/12