Weight: Difference between revisions
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Weight is the [[Mass|mass]] of an object multiplied by the gravitational force acting on the object, meaning the weight changes depending on the gravitational field strength acting on the object. As for example, your weight on the moon will be only 16.5% of your weight on earth, because the moon has a much lower gravitational force compared to earth. The [[SI units|SI unit]] of weight is [[Newton|newton]] (n). Weight is calculated by taking the mass of the object (kg) and multiplying it by the gravitational field strength of the location of the object. In the case of Earth, this is normally assumed to be 9.81 ms<sup>-2 </sup>for most calculations as the fluctuations in gravitational field strength are quite negligible depending on how far away from the Earth's core you are within the confines of the atmosphere. | |||
Latest revision as of 21:04, 5 December 2017
Weight is the mass of an object multiplied by the gravitational force acting on the object, meaning the weight changes depending on the gravitational field strength acting on the object. As for example, your weight on the moon will be only 16.5% of your weight on earth, because the moon has a much lower gravitational force compared to earth. The SI unit of weight is newton (n). Weight is calculated by taking the mass of the object (kg) and multiplying it by the gravitational field strength of the location of the object. In the case of Earth, this is normally assumed to be 9.81 ms-2 for most calculations as the fluctuations in gravitational field strength are quite negligible depending on how far away from the Earth's core you are within the confines of the atmosphere.