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forces and speed > forces and speeds > Flashcards

forces and speeds Flashcards

1
Q

air resistance

A

the force on an object moving through the air that causes it to slow down

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2
Q

drag

A

the force acting on an object in water or air that makes it slow down

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3
Q

friction

A

the force that resists movement because of contact between two objects

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4
Q

weight

A

the force that pulls an object to the center of the earth

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5
Q

mass

A

the amount of matter an object is made up of ( how heavy something is)

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6
Q

push and pull

A

types of forces

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7
Q

what is a force

A

a push or pull on an object

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8
Q

newton meter

A

a piece of equipment used to measure force

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9
Q

gravity

A

a force that pushes objects to the centre of a planet or moon

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10
Q

upthrust

A

a force pushing up on an object in liquid

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11
Q

speed=

A

distance/time

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12
Q

time=

A

distance/speed

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13
Q

distance=

A

time x speed

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14
Q

1 newton in kg=

A

10kg

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15
Q

equilibrium

A

balanced

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16
Q

thrust

A

a push caused by an engine

17
Q

lift

A

a force pushing up on an object in the air

18
Q

anomaly

A

a result that doesnt fit the pattern or the trend

19
Q

line of best fit

A

a line that best fits the relationship of two fits in a graph

20
Q

boyancy

A

when an object goes under water an rises back to the surface

21
Q

motion

A

when an object changes its position over time

22
Q

definition of speed

A

how fast something is able to move

23
Q

balanced force

A

when there are two forces and both of them are the same strength

24
Q

unbalanced force

A

when there are two forces but one of them is stronger than the other, causing the object to move in that way

25
Q

mass is measured in

A

kilograms

26
Q

weight is measured in

A

newtons

27
Q

hooke’s law is

A

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

28
Q

magnetic force

A

force that is exerted on a magnetic material brought into a magnetic field.

29
Q

magnetism

A

it is a force of attraction or repulsion between substances such as iron, nickel, cobalt and steel

30
Q

electrostatic force

A

the force acting between two charged objects

forces and speed (1 decks)

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