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Monday, June 1, 2015

1.10 identify different types of force such as gravitational or electrostatic

List of forces (this is quite extensive, you will probably not need to know all of them)


  • Upthrust - upwards force on a body caused by water being displaced around it. This is sometimes called Buoyancy
  • Lift - upwards forces on aeroplanes (or airborne objects (not a ball or similar)) 
  • Thrust - forwards force created by a body (push)
  • Weight - force due to gravitational attraction (Gravitational force)
  • Friction - force caused by rubbing of surfaces that opposes motion
  • Drag - frictional force caused by air particles colliding with a body that opposes motion 
  • Magnetic - force caused by magnetic attraction
  • Electrostatic - force caused by attraction between charges
  • Normal reaction - force created by a body as a reaction to a force being applied



Descriptions of forces:

  • Compression - the force on a body when it is being squashed
  • Tension - the force on a body when it is being stretched
  • Contact forces - forces that require to be touching to have an effect (e.g. friction, normal reaction)
  • Non-contact forces - forces that do not require to be touching to have an effect (e.g. magnetic, electrostatic)

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