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Flashcards in May Test Deck (17)
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1

Speed

Distance / time

2

Acceleration

(V-U) / Time

3

Velocity

Distance / time

4

Momentum

Mass x velocity

5

Force

Change in momentum / time

6

Newtons 3rd Law

If A exerts a force on B, then B exerts an equal but opposite force on A

7

Why are car safety features good

They increase the time it takes to change momentum

8

Frequency

Velocity / wavelength

9

Oscillation

Vibration

10

Frequency

1 / time

11

Diffraction

Spreading out of waves when they pass through a gap

12

Efficiency

Useful energy / total energy

13

Distance travelled

Speed x time

14

Resultant force

Mass x acceleration

15

Newtons 1st Law

An object will remain stopped unless an unbalanced force acts upon it

16

Weight

Mss x gravitational field strength

17

Gradient

Change in vertical / change in horizontal