#### Formulae and Laws

Forces and Motion Hooke's Law: Youmay also have to add atmospheric pressure to get the total pressure. Energy and Power Electric Circuits for resistors in series Charge=Voltage*Capacitance Kirchoff's Laws 1 st Law: Current into a node equals current...

https://astarmathsandphysics.com/gcse-physics-notes/744-formulae-and-laws.html#### IB Physics Notes - Electromagnetism

https://astarmathsandphysics.com/ib-physics-notes/electromagnetism.html#### Formulae and Laws

Forces and Motion Hooke's Law: You may also have to add atmospheric pressure to get the total pressure. Energy and Power Electric Circuits for resistors in series Charge= Voltage*Capacitance Kirchoff's Laws 1 st Law: Current into a node equals current...

https://astarmathsandphysics.com/igcse-physics-notes/390-formulae-and-laws.html#### Elastic Strings

Elastic strings are similar to springs. Both strings and springs obey Hooke's Law when being extended, but when being compressed, there is no tension in the string while the spring experiences a force tending to increase the length. (Springs obey...

https://astarmathsandphysics.com/a-level-maths-notes/m3/3639-elastic-strings.html#### University Physics Notes - Electricity and Magnetism

https://astarmathsandphysics.com/university-physics-notes/electricity-and-magnetism.html#### Equations

Resultant Force equals Mass*Acceleration Kinetic Energy equals Gravitational Potential Energy equals Mass*9.81*Height Ohm's Law: Voltage equals Current*Resistance The reciprocal of the total resistance in a parallel circuit is equal to the sum of the...

https://astarmathsandphysics.com/o-level-physics-notes/157-equations.html#### Finding the Intercept, Gradient and Area Under the Graph

Three graphical concepts are very useful – the intercepts (particularly the y – intercept), the gradient of the graph at a point and the area under the graph. The intercept is a point on an axis where the graph crosses. If the graph is a line and the y...

https://astarmathsandphysics.com/ib-physics-notes/measurements-units-uncertainty-and-principles/1341-finding-the-intercept-gradient-and-area-under-the-graph.html#### Simple Harmonic Motion for a Horizontally Stretched String

The tension in a stretched string is usually expressed in terms of it's modulus of elasticity This is in fact an expression of Hooke's Law – Force is proportional to extension. Suppose that a string of length l is stretched between two points A and B....

https://astarmathsandphysics.com/a-level-maths-notes/m3/3652-simple-harmonic-motion-for-a-horizontally-stretched-string.html

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