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Science Revision > Forces And Motion > Flashcards

Forces And Motion Flashcards

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1
Q

What is the formula to work out the net force

A

ma

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2
Q

What is the formula to work out acceleration

A

Change in velocity / change in time

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3
Q

What unit of measurement do you measure forces in

A

Newtons

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4
Q

How do you work out the net force

A

What is the difference between the 2 numbers

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5
Q

What does it mean if the net force is 0N

A

It is balanced

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6
Q

What does it mean if the net force is greater than 0N

A

It is unbalanced

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7
Q

V =

A

Change in distance / change in time

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8
Q

What does a slope mean on a graph

A

Accelerating

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9
Q

What does a straight diagonal line mean on a graph

A

It is moving at a constant speed

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10
Q

What does it mean if there is a straight line on a graph

A

It is stationary

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11
Q

What is the formula for gravity

A

9.8ms-2

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12
Q

What is weight

A

The gravity on mass (N)

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13
Q

What is mass

A

How much matter there is (kg)

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14
Q

What is the formula to work out weight force

A

mass x gravity

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15
Q

What is the arrow called facing up

A

Support

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16
Q

What is the arrow called facing the direction it is moving

A

Push

17
Q

What is the arrow called facing the direction the opposite way it is moving

A

Friction

18
Q

What is the arrow called facing down

A

Weight

19
Q

What unit of measurement is velocity measured in

A

V = ms-1

20
Q

What unit of measurement is distance measured in

A

d = m / km

21
Q

What unit of measurement is time measured in

A

t = s / hr

22
Q

What are the simple machines

A

Lever, incline plane, wedge

23
Q

What is the incline plane

A

Ramps to help reduce the amount of effort to list a load

24
Q

What is the wedge

A

Two inclined planes placed back to back

Science Revision (5 decks)

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