Linear motion Flashcards

1
Q

Speed definition?

A

Rate of change of position

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2
Q

Distance definition?

A

Path a body takes from start to finish

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3
Q

How do you work out distance?

A

Speed x time

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4
Q

Velocity definition?

A

Rate of change of displacement

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5
Q

Mass definition?

A

Quality of mater a body has

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6
Q

Weight definition?

A

Mass x gravity

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7
Q

Displacement definition?

A

Shortest route from start to finish in a straight line

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8
Q

Acceleration definition?

A

Rate of change of velocity

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9
Q

Momentum definition?

A

Product of mass and velocity

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10
Q

Impulse definition?

A

Time a force is applied

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11
Q

Who do you work out impulse?

A

Force x time

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12
Q

How do you work out velocity?

A

Displacement / time

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13
Q

How do you work out acceleration?

A

Change in velocity / time

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14
Q

How do you work out momentum?

A

Mass x velocity

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15
Q

How do you work out speed?

A

Distance / time

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16
Q

What are the factors that affect friction?

A

Temperature of the surfaces, surface characteristics, mass of the object

17
Q

What affects air resistance?

A

The velocity of the moving body
Cross sectional area
Shape and surface characteristics

18
Q

What does a straight line indicate on a velocity time graph?

A

Constant speed

19
Q

What does the velocity time graph indicate when the lines goes beneath the x axis?

A

Change in direction

20
Q

What does a straight line indicate of a distance time graph?

A

Stationary