Year 9 Mid Year Earth in Space
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8 Terms
1
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What is mass?
The amount of material contained in an object.
2
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What is the unit and unit symbol for mass?
Kilograms, kg.
3
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What happens when two objects with a mass enter each other’s’ gravitational field?
The objects experience an attractive force.
4
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What is gravitational field strength?
The force experienced by 1kg of mass in that field.
5
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What is the unit and unit symbol for gravitational field strength?
Newtons per kilogram, N/kg.
6
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What is weight?
The force exerted on an object by a gravitational field.
7
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What is the unit and unit symbol for weight?
Newtons, N.
8
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What is the formula that relates weight, mass and gravitational field strength?
Weight = mass x grativational field strength
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Flashcards (21)