FORCES

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  • Created by: Tarajen
  • Created on: 02-10-17 19:42
What is a scalar?
It only has a magnitude (size) eg speed
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What is a vector?
It has both a uantity of magnitude and direction eg. velocity
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Are forces vectors or scarlars?
Vectors
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What is a contact force?
When the objects are actually touching, eg friction and tension
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What is a non-contact force?
When the objects are not touching eg. gravitational force
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What is mass related to?
The mass of an object is related to the amount of matter it contains and is constant.
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what is weight?
The forse acting on an object due to its gravity, the weight of an object depends on the grvitaional field strength where the object is adn is directly proportional to its mass.
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Weight =
mass x gravitational field strength (w=mg)
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What diagram to can be used to show the differnent forces acting on an object?
A free body diagram
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Other cards in this set

Card 2

Front

What is a vector?

Back

It has both a uantity of magnitude and direction eg. velocity

Card 3

Front

Are forces vectors or scarlars?

Back

Preview of the front of card 3

Card 4

Front

What is a contact force?

Back

Preview of the front of card 4

Card 5

Front

What is a non-contact force?

Back

Preview of the front of card 5
View more cards

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