Force - A push, pull or torque, Net Force - The total amount of force acting on an object, Newtons - The unit of measurement for force, Free Body Diagram - A picture that shows the forces acting on an object, Balanced Forces - When an object has a net force of 0N and is not changing in motion. This could mean they are still or moving at a constant speed, Unbalanced Forces - The net force of an object is greater than 0N. The object could change in shape, speed or direction., Contact Forces - A force that acts between two objects that are physically touching. E.g. Friction, Non-Contact Forces - A force that acts between two objects that are not physically touching. E.g Gravity, Weight - Measured in N. Changes depending on the gravitational force., Mass - Measured in Kg. The amount of matter an object contains. Will not change.,

Forces - Part 1 - Definitions

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