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# Motion and forces Typeit

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An object's is the distance it has travelled from a specific point of origin, in a chosen direction. An object's velocity is the speed at which an object is travelling in a chosen direction - this is how much space is covered in a given time. An object's rate of change of velocity is its . The rate of change of velocity can be found from the of a velocity-time graph.

An object's motion depends on the forces acting on it. The way forces affect motion can be described using Newton's laws of motion. Newton's first law states that an object with acting will remain at rest or travelling at the same velocity. Newton's second law states that the acceleration of an object depends on the force acting on the object and the object's mass. This can be expressed in the equation Force = (use x as a multiplication symbol, and / as a division symbol). Newton's third law states that any force on an object will cause the object to react by exerting a force which is in size and in the direction to the original force.