Newton - The unit we measure forces in, Contact force - Objects are touching for force to act, Non Contact force - Force can act at a distance, Tension - Force that acts in strings and elastic objects, Normal Contact force - Force that acts upwards from a surface, Weight - The force that attracts you to earth, Push or pull - All forces are, Vector - Forces are this type of quantity, Scalar - Something that only has a size, Friction - When two objects slide past each other they experience, Air resistance - When an object moves through the air it experiences, Upthrust - an upwards force that acts on an object when it is in a fluid, Thrust - a driving force exerted by an engine to make an object move., Magnetic force - A force is experienced by a magnet or a magnetic material, eg iron, when placed in a magnetic field., Electrostatic force - force is experienced by a charged particle in an electric field., Attractive force - Makes 2 objects come together, Repulsive force - Makes 2 objects push apart, Gravitational force - is experienced by a mass when it is sufficiently close to another mass., Change speed, direction or shape - Forces can, Newton meter - We use these to measure forces, Direction of the force - The direction of the force arrow tells us, Size of the force - The length of the force arrow tells us the,

Forces KS3

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