# physics p3

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• Created by: popcorn12
• Created on: 23-01-19 10:42
direct proportion
Two values are said to be in direct proportion, when one amount increases and the other amount increases at the same rate.
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gravitational field
The space or area around a body where another body would experience gravitational attraction.
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gravitational potential energy
The energy stored by an object lifted up against the force of gravity. Also known as GPE.
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mass
The amount of matter an object contains. Mass is measured in grams (g).
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megajoule
A unit of work or energy. One megajoule (1 MJ) is equal to one million joules
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non-contact forces
The push or pull acting between objects that are not physically touching when they interact.
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## Other cards in this set

### Card 2

#### Front

The space or area around a body where another body would experience gravitational attraction.

#### Back

gravitational field

### Card 3

#### Front

The energy stored by an object lifted up against the force of gravity. Also known as GPE.

### Card 4

#### Front

The amount of matter an object contains. Mass is measured in grams (g).

### Card 5

#### Front

A unit of work or energy. One megajoule (1 MJ) is equal to one million joules