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Gravitational pull of gravity at that point
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- The weight of an object is the force on it due to the gravitational pull of gravity at that point. Since it is a force, weight is measured in Newtons (not kilograms).
www.bbc.co.uk/bitesize/guides/z6x48xs/revision/3Weight, mass and gravity - Gravity and weight - 3rd level ...
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Jul 16, 2015 · What was the reason to use kilograms to measure weight (e.g. body weight, market vegetables etc.) instead of using newtons in everyday life?
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Why do we use kilograms instead of newtons to measure weight...
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The balance can only measure the downward force exerted on...
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Weight, like other forces, is measured in newtons. When one measures the weight of an object in an elevator, one is required to look at weight as the measure of the sum or difference of the acceleration of gravity and of the surface the object is resting on. Consider the following example, where the acceleration of an elevator is 4.2 m/s 2.
Weight is the force that acts on mass due to gravity and is therefore measured in newtons (N). Calculating weight and mass. The following equation can be used to calculate the weight of an...
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An object's weightis how hard gravity is pulling on it. We think the weight is the same everywhere ... because we all live on the surface of the planet Earth! An object's mass doesn't change (unless you remove some!), but its weight can change.
People often use "weight" to mean "mass", and vice versa, because Gravityis almost the same everywhere on Earth and we don't notice a difference. But remember .. they do not mean the same thing, and they canhave different measurements.
So ... if weight and mass are different, why are they both in kilograms? Well, weight should not really be in kilograms! I have used "kilogram" so far because that is what you see on a pair of scales, but it is technically wrong to talk about weight in kilograms... ... weight is a force... ... which is measured in Newtons
The correct unit for force is the Newton (=1 kg·m/s2) which is abbreviated N. So a 100 kg mass really weighs about 980 Newtons on Earth.
But scales can be fooled ... because they measure a "downwards force" and don't know if it is gravity or some other force! Just jump up and down (gently!) on your scales at home to see your apparent weight change, while your mass stays the same. So your mass is the same, and your weight is the same (because the force of gravity hasn't changed), but...
The weight of an object is measured in newtons rather than in kilograms. The formula 𝑊 = 𝑚 𝑔 can be rearranged to make 𝑔 the subject, giving 𝑔 = 𝑊 𝑚. We see from this that the SI unit of gravitational field strength is newtons per kilogram (N/kg).
Weight is the force acting on an object due to gravity - it has the unit newtons (N) and acts towards the centre of a gravitational field. So weight is a gravitational force on an object...
Apr 10, 2024 · Mass and weight are often used interchangeably in everyday conversation. For example, our medical records often show our weight in kilograms but never in the correct units of newtons. In physics, however, there is an important distinction. Weight is the pull of Earth on an object.
