Unit 4 Definitions

Simple Harmonic Motion
Oscillation where acceleration is directly proportional to the displacement and directly towards the equilibrium
1 of 18
Free Vibration
Oscillations where no energy transfer takes place to or from the surroundings
2 of 18
Amplitude
Maximum displacement
3 of 18
Perfect Transformer
One hundred percent efficient
4 of 18
Geostationary satellite
Orbit the Earth with a period of 24 hours
5 of 18
Efficiency of a transformer
Ratio of power out to power in
6 of 18
Gravitational Field Strength
Force per unit mass
7 of 18
Black Body
A perfect absorber and emitter of electromagnetic radiation
8 of 18
Newton's 2nd Law
Force equals the rate of change of momentum
9 of 18
Angular Velocity
Angle an object rotates through per second
10 of 18
Coulomb's Law
Force of attraction or repulsion between two point charges
11 of 18
Capacitance
Charge stored per unit volt
12 of 18
Angle in radians
Arc length divided by radians
13 of 18
1 Tesla
Webber per square metre
14 of 18
Gravitational Potential Energy
Work done to move an object to a position in a gravitational field from infinity
15 of 18
Centripetal Acceleration
Rate of change of velocity of an object following a circular path
16 of 18
Impulse
Change in momentum
17 of 18
Electric Potential
Electric potential energy per unit charge
18 of 18

Other cards in this set

Card 2

Front

Oscillations where no energy transfer takes place to or from the surroundings

Back

Free Vibration

Card 3

Front

Maximum displacement

Back

Preview of the back of card 3

Card 4

Front

One hundred percent efficient

Back

Preview of the back of card 4

Card 5

Front

Orbit the Earth with a period of 24 hours

Back

Preview of the back of card 5
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