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Year 11 > Physics > Flashcards

Physics Flashcards

1
Q

What is the difference between a vector and a scalar quantity

A

A

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2
Q

Give an example of a scalar quantity

A

B

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3
Q

Give an example of a vector

A

C

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4
Q

Define avg speed

A

D

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5
Q

What is the equation for average speed

A

Distance divided by time

Initial speed plus final speed divided by two

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6
Q

How is the average speed of an object moving down a runway affected by the angle of the slope

A

E

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7
Q

What does the gradient of a distance time graph equal

A

Speed

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8
Q

What does the gradient of a speed time graph give you

A

The rate of change of speed a.k.a. acceleration

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9
Q

What does the area under a speed time graph equal

A

The distance travelled

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10
Q

What is the difference between distance and displacement

A

F

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11
Q

Define average velocity

A

G

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12
Q

Give two equations for average velocity

A

Average velocity equals displacement divided by time

Average velocity equals initial velocity plus final velocity divided by two

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13
Q

What does the gradient of a displacement time Graph equal

A

Velocity

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14
Q

Define acceleration

A

H

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15
Q

Give an equation for acceleration

A

Change in velocity divided by time

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16
Q

What does the gradient of a velocity time graph equal

A

Acceleration

17
Q

What does the area under a velocity time graph equal

A

Displacement

18
Q

Forces acting on an object are always?

A

Equal and opposite

19
Q

What is friction

A

Friction is a force that always opposes motion

20
Q

What is force measured in

A

Newtons

21
Q

What 2 ways can a force in a given direction be given

A

Positive 1 way negative the opposite way

22
Q

What are Newton’s first and second laws

A

A

23
Q

What Experiment shows both of Newton’s laws

A

Air track and data logger

24
Q

What is the equation for resultant force

A

F=MxA

25
Q

What is the definition of mass

A

The amount of matter in an object

26
Q

What is mass measured in

A

Kg

27
Q

What is the def of weight

A

Force due to the pull of gravity on an object

28
Q

What is the gravity on earth

A

10

29
Q

What would the weight of a 1kg box be on earth

A

10N

30
Q

What is the equation for weight

A

W=MxA

31
Q

What is gravity measured in

A

N/kg

32
Q

What is weight measured in

A

N

33
Q

If there is no friction what happens to objects when they fall

A

They will all fall at the same rate regardless of mass

34
Q

What speed will an object dropped from rest at a height increase by as it falls

A

10 meters per second squared

10 m/s every second

35
Q

What is it called when an object accelerates at 10 m/s every second

A

Acceleration of Free fall

36
Q

What retardation will an object fired vertically up experience

A

10 m/s every second

Year 11 (1 decks)

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