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iGCSE Physics Paper 1 > Paper 1 - Forces and Motion > Flashcards

Paper 1 - Forces and Motion Flashcards

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1
Q

speed distance time equation

A

distance = speed x time

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2
Q

what does the gradient of a line on a distance time represent

A

the speed of the object

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3
Q

what is a flat line on a distance time graph

A

object is stationary

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4
Q

what do curves represent on distance time graph

A

acceleration if curve getting steeper

deceleration if curve levelling off

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5
Q

how do you find the average speed on a distance time graph

A

divide total distance by total time

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6
Q

what is the gradient of a line on a velocity time graph

A

acceleration

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7
Q

what does a flat line represent on a velocity time graph

A

steady speed

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8
Q

what is an uphill line on velocity time graph

A

acceleration

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9
Q

what is a downhill line on a velocity time graph

A

deceleration

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10
Q

what is the area under the graph on a velocity time graph

A

distance travelled

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11
Q

what does a curve show on vt graph

A

changing acceleration (not steady acceleration)

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12
Q

equation for acceleration when not involving distance

A

acceleration = final velocity - initial velocity / time taken

(v-u)
a x t

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13
Q

equation for acceleration when involving distance

A

final velocity squared = initial velocity squared + 2 x acceleration x distance

v2 = u2 + 2as

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14
Q

what is v in formulas

A

final velocity

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15
Q

what is u in formulas

A

initial velocity

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16
Q

what is value of gravity

A

10m/s2

17
Q

acceleration mass force equation

A

force = mass x acceleration

18
Q

gravity mass weight equation

A

weight = mass x gravity

19
Q

newtons first law

A

balanced forces mean constant speed

20
Q

newtons second law

A

resultant force means acceleration

21
Q

what is hooke’s law

A

the extension of a wire is proportional to the force on it

22
Q

what suggests a material is elastic

A

it returns to its original shape

23
Q

what is elastic limit

A

the maximum force that can be applied to an object before it will be permanently stretched and wont return to its original form

iGCSE Physics Paper 1 (3 decks)

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