Why your weight changes while your mass remains constant
In short: This video breaks down the fundamental physics of gravity, moving beyond simple definitions to explain how mass, distance, and field strength interact to determine an object's weight and potential energy.
The video explains that gravity is a force of attraction influenced by two primary factors: the mass of the objects and the distance between them.
It distinguishes between mass, which is constant, and weight, which varies depending on the gravitational field strength (g). Students will learn the specific formulas for calculating weight (Weight = Mass x g) and gravitational potential energy (GPE = mgh).
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Sources
- Summary by Intellect · source: GCSE Physics - Gravitational Potential Energy & Gravity | How to Calculate Weight (2027/28 exams)
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