Laws of motion (P5)

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  • Created by: caits
  • Created on: 13-04-14 18:32

Pairs of forces:

  • Forces of the same type always appear in pairs
  • Every action has an equal and opposite reaction
  • This is known as Newtons third law of motion

When a book is pushed across a table:

(http://www.bbc.co.uk/schools/gcsebitesize/science/images/triple_science/345_bitesize_gcse_tsphysics_spaceforreflection_friction_464.gif)

A book resting on a table:

(http://www.bbc.co.uk/schools/gcsebitesize/science/images/triple_science/347_bitesize_gcse_tsphysics_spaceforreflection_reactionforces_304.gif)

Recoil of a gun:

Before you fire a gun, the total momentum…

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