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forces revision > forces > Flashcards

forces Flashcards

1
Q

the force of the Earth on an object due to its mass

A

weight

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2
Q

the force on an object moving through water that causes it to slow down (also known as drag)

A

water resistance

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3
Q

opposing forces on an object that are unequal

A

unbalanced

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4
Q

a stretching force

A

tension

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5
Q

shaped to reduce resistance in both water and air

A

streamlined

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6
Q

any forces that slow down a moving object

A

resistive forces

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7
Q

the support force provided by a solid surface like a floor

A

reaction

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8
Q

a type of force

A

push

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9
Q

a type of force

A

pull

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10
Q

a magnetic, electrostatic or gravitational force that that acts between objects not in contact

A

non-contact force

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11
Q

measures weight in newtons

A

newton metre

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12
Q

force of an object moving through the air that causes it to slow (also known as drag)

A

air resistance

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13
Q

balanced

A

forces acting on an object that are the same size but in different directions

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14
Q

compress

A

to squash into a smaller space

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15
Q

contact force

A

a force that acts when an object is in contact with with a surface, air or water

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16
Q

deform

A

to change shape

17
Q

driving force

A

the force that bis pushing or pulling something

18
Q

field

A

a region where something feels a force

19
Q

the force that resists movement because of contact between surfaces

A

friction

20
Q

gravity

A

a non-contact force that acts between two masses

21
Q

hooke’s law

A

the law that says if you double the force on an object the extension will double

22
Q

extension

A

the amount of force by which objects get longer whern a force is applied

23
Q

mass

A

the amount of matter a thing is made up of

24
Q

matter

A

stuff

25
Q

lubrication

A

a substance that reduces friction between two surfaces when they rub together

26
Q

elastic limit

A

the point beyond which a spring will not return to its original lengthwhen the force is removed

27
Q

electrostatic force

A

the force acting between two charged objects

28
Q

total distance/total time

A

equation to find average speed

29
Q

slope of a graph

A

gradient

30
Q

measured in kilograms

A

mass

31
Q

upthrust

A

a force pushing upwards on an object in water

32
Q

thrust

A

force pushing forward made by an engine

33
Q

a force pushing upwards on an object in the air

A

lift

forces revision (1 decks)

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