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level: Gravity

Questions and Answers List

level questions: Gravity

QuestionAnswer
How is Gravitational Field Produced?GRAVITATIONAL FIELD: All objects with mass produce a gravitational field. Greater Mass = Greater Gravitational Field
What is Weight, weightlessness & where does the weight of an object act on?1) Weight - Force acting on an object due to gravity (non-contact) 2) Weightlessness - astronauts seem to be weightless because both they and the space station are constantly falling towards the Earth (as they are still in earth's gravitational field) 3) Centre of Mass - the weight of an object acts at its centre of mass
What are Resolving Forces, how can they be shown?- (Opposite of Resultant Forces) A single force can be resolved (broken down) into two component forces at right angles to each other - Can be shown on Vector Diagram