Edexcel GCSE Triple Science Physics Paper 2 June 2023
Work done equation - ANSWER-force x distance
Change in Gravitational Potential Energy - ANSWER-mass x gravitational field strength x change in
vertical height
Kenetic energy equation - ANSWER-1/2 x mass x velocity^2
Power - ANSWER-energy transferred/ time - amount of work done or energy transferred per second
- watt (W)
Efficiency equation - ANSWER-Useful Energy / Total Energy Input
Scalar - ANSWER-A physical quantity that has magnitude only
(just a number)
Scalar examples - ANSWER-speed, mass, distance, time, energy
Vector - ANSWER-A quantity that has magnitude and direction
Vector examples - ANSWER-displacement, velocity, acceleration
Series circuit - ANSWER-An electric circuit with a single path
Resultant force - ANSWER-mass x acceleration
overall force on a point or an object
(if forces act in same directions +, different -)
parallel circuit - ANSWER-A circuit that contains more than one path for current flow.
Charge (Q) - ANSWER-current x time
, - value of electricity flowing through a circuit
Current (I) - ANSWER-charge = current x time
the rate of flow of electrons
- amps
potential difference (V) - ANSWER-current x distance
the driving force that pushes the charge around
- volts (V)
Current in a series circuit - ANSWER-Is the same everywhere
Current in a parallel circuit - ANSWER-Is shared between branches
Resistance in a series circuit - ANSWER-adds up
Resistance in a parallel circuit - ANSWER-total resistance is lower than the smallest single resistor
Potential Difference in series circuit - ANSWER-Shared between components
Energy definition and equation - ANSWER-Charge x Potential difference
- the capacity for doing work
- Joules
Energy equation - ANSWER-current x pd x time
Power equation 1 - ANSWER-energy/time
Power equation 2 - ANSWER-pd x current
Power equation 3 - ANSWER-current^2 x resistance
Work done equation - ANSWER-force x distance
Change in Gravitational Potential Energy - ANSWER-mass x gravitational field strength x change in
vertical height
Kenetic energy equation - ANSWER-1/2 x mass x velocity^2
Power - ANSWER-energy transferred/ time - amount of work done or energy transferred per second
- watt (W)
Efficiency equation - ANSWER-Useful Energy / Total Energy Input
Scalar - ANSWER-A physical quantity that has magnitude only
(just a number)
Scalar examples - ANSWER-speed, mass, distance, time, energy
Vector - ANSWER-A quantity that has magnitude and direction
Vector examples - ANSWER-displacement, velocity, acceleration
Series circuit - ANSWER-An electric circuit with a single path
Resultant force - ANSWER-mass x acceleration
overall force on a point or an object
(if forces act in same directions +, different -)
parallel circuit - ANSWER-A circuit that contains more than one path for current flow.
Charge (Q) - ANSWER-current x time
, - value of electricity flowing through a circuit
Current (I) - ANSWER-charge = current x time
the rate of flow of electrons
- amps
potential difference (V) - ANSWER-current x distance
the driving force that pushes the charge around
- volts (V)
Current in a series circuit - ANSWER-Is the same everywhere
Current in a parallel circuit - ANSWER-Is shared between branches
Resistance in a series circuit - ANSWER-adds up
Resistance in a parallel circuit - ANSWER-total resistance is lower than the smallest single resistor
Potential Difference in series circuit - ANSWER-Shared between components
Energy definition and equation - ANSWER-Charge x Potential difference
- the capacity for doing work
- Joules
Energy equation - ANSWER-current x pd x time
Power equation 1 - ANSWER-energy/time
Power equation 2 - ANSWER-pd x current
Power equation 3 - ANSWER-current^2 x resistance
