physics p3 0.0 / 5 ? PhysicsForces and MotionGCSEOCR Created by: popcorn12Created on: 23-01-19 10:42 direct proportion Two values are said to be in direct proportion, when one amount increases and the other amount increases at the same rate. 1 of 6 gravitational field The space or area around a body where another body would experience gravitational attraction. 2 of 6 gravitational potential energy The energy stored by an object lifted up against the force of gravity. Also known as GPE. 3 of 6 mass The amount of matter an object contains. Mass is measured in grams (g). 4 of 6 megajoule A unit of work or energy. One megajoule (1 MJ) is equal to one million joules 5 of 6 non-contact forces The push or pull acting between objects that are not physically touching when they interact. 6 of 6
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