Physics - Forces and Motion

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Speed and Velocity

  • Tells you how fast you are going
  • Velocity gives direction whilst speed doesn't
  • Speed = Distance/Time

Acceleration

  • How quickly Velocity is changing
  • M/S^2 = Change in Velocity/Time

Weight, Mass and Gravity

  • GFS on Earth is = 10 N/KG
  • GFS on the Moon = 1.6 N/KG
  • Weight = Mass *Gravitational Field Strength

Gravitational  Potential Energy

  • Energy and object has due to it's vertical position.

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