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FORCES (Springs (Work done (The work done in stretching the spring is…

- - - - Weight= mass X gravitational field strength
- - - - Force applied (N) =spring constant (N/m) X extension (m)
      - Limit of proportionality
        
        THe point where the spring has been over stretched and can no longer return to its original shape
      - To work out k use equation gradient of the line/1
  - - - Area under line on graph is energy stored in spring
- - - - If force were to increase and area stay the same then the pressure would go up
      - If area were to increase and force stay the same pressure would go down
  - - - Upthrust (N) = weight in air - weight in water
- - - - Magnetic Force
      - Electrostatic force
      - Etc.
      - Gravity
    - - The objects have to physically touch in order for the force to take place...
        
        Etc.
        
        Tension in Ropes
        
        Air Resistance
        
        Friction