Things at rest - stay at rest., Things in motion - stay in motion unless acted upon by a force., Force = - mass times acceleration., For every action, - there is an equal and opposite reaction., Motion: - the change in position of an object., Position: - location or place., Friction: - a force that slows or stops the movement of 2 touching objects., Speed: - how fast an object moves., Mass: - amount of matter in an object., When a force is applied, - energy can be transformed or transferred., Mass is measured - in grams/kilograms., The bigger an object, - the stronger its gravitational pull., Weight: - the force that gravity has on an object., Resistance: - a force that pushes in the opposite direction to movement., Velocity: - speed and direction,

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