Force, A push, pull, or twist that causes a change in motion or shape., Balanced, When all forces are equal., Friction, A force that opposes motion., Motion, Movement, Gravity, Force between two objects that both have mass., Electrostatic, Force between two objects that both have electric charge., Weight, The force an object feels due gravity., Magnetism, Force between two objects that are magnetised., Mass, Related to the amount of matter in an object., Charge, Related to the number of electrons and protons in an object., Pole, One end of a magnet.

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