Physics Paper 2 (GCSE Edexcel) Exam Study Guide.

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Physics Paper 2 (GCSE Edexcel) Exam Study
Guide.

Work done equation - Answers✔force x distance

Change in Gravitational Potential Energy - Answers✔mass x gravitational field strength x
change in vertical height

Kenetic energy equation - Answers✔1/2 x mass x velocity^2

Power - Answers✔energy transferred/ time - amount of work done or energy transferred per
second
- watt (W)

Efficiency equation - Answers✔Useful Energy / Total Energy Input

Scalar - Answers✔A physical quantity that has magnitude only
(just a number)

Scalar examples - Answers✔speed, mass, distance, time, energy

Vector - Answers✔A quantity that has magnitude and direction

Vector examples - Answers✔displacement, velocity, acceleration

Series circuit - Answers✔An electric circuit with a single path

Resultant force - Answers✔mass x acceleration
overall force on a point or an object
(if forces act in same directions +, different -)

parallel circuit - Answers✔A circuit that contains more than one path for current flow.

Charge (Q) - Answers✔current x time
- value of electricity flowing through a circuit

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