physical revision

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  • Created by: yebo67
  • Created on: 04-04-19 19:18
what is a magnitude ?
it is a size of something.
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what is scalar?
the magnitude(speed,distance,time)
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what is a vector ?
direction and the magnitude (5 metres to the right )
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what is resultant force?
a number of forces acting on an object and can be replaced by a single force
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what is work done ?
when a force causes a object to move direction.
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what is the formula of work done ?
work done=force x distance
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what is friction ?
it is the resistant of motion when one object rub against another
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what is force ?
a contact force working against in the opposite direction of a moving object.
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factors that effect how much friction there is ?
surface,mass of the object,lubricant
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what is elastic ?
when an object can regain its shape after its been squashed or stretched.
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what is the Hooke's law ?
extension happens when an object increase in length.
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what is formula for force ?
force=spring constant x extension
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Other cards in this set

Card 2

Front

what is scalar?

Back

the magnitude(speed,distance,time)

Card 3

Front

what is a vector ?

Back

Preview of the front of card 3

Card 4

Front

what is resultant force?

Back

Preview of the front of card 4

Card 5

Front

what is work done ?

Back

Preview of the front of card 5
View more cards

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