A force is a push or a pull and arise when there is an interaction between to objects.

In this topic you need to know about the following: -

  • What an interaction pair is.
  • What different types of force there are.
  • How friction affects movement.
  • What weight is and how gravity affects weight.
  • Be able to calculate weights from masses.

    • Use the arrows below to continue to revise.

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    		 P3 - Electric circuits