Physics Flashcards
What equation links energy, power and time?
Energy = power x time
What equation links distance, force, and work done?
Work done (j) = force (N) x distance moved (m)
What is the unit used to measure energy?
Joules
Are fossil fuels renewable or non-renewable?
Non-renewable
Power tells us hoe quickly……….. is transferred by a device
Energy
What is the law of conservation of energy?
Energy cannot be created or destroyed
When you work to move or squash an object you transfer…….
Energy
3 things that affect the thermal energy of an object
Mass
Temperature
What it as made of
Can energy be transferred by conduction in liquids?
No, only in solids
How is energy transferred in fluids?
Convection
What is a fluid?
Any liquid or gas
Is light a longitudinal or transverse wave?
Transverse
what unit is used for potential difference?
volts
How do you find potential difference?
Potential difference = current x resistance
What is resistance measured in?
Ohms