Physics Y4T1CT Formulae Sheet.docx

Physics Y4 T1 CT Formulae Sheet

Formulas are written in SI units and common alternatives (i.e. can be written in other units)

*Know conversions between units, and the names of SI units

Motion (Kinematics)

Speed

Acceleration

Equations of Motion

Mass & Weight

Density

Forces

Newton’s Second Law of Motion

Hooke’s Law

Moment of a Force

Principle of Moments

Taking moments about the pivot,

Sum of Anticlockwise Moment = Sum of Clockwise Moment

Momentum

Principle of Moments

Total initial momentum = Total final momentum

Impulse

Newton’s Second Law of Motion (in terms of momentum)

Energy, Work, & Power

Work Done

Energy

Power

Efficiency

Pressure

Pressure in liquids

Pressure of gas in tank

*

Kinetic Particle Model of Matter

Boyle’s Law

General Gas Equation

(T must be in K)

Thermal Properties and Temperature

Heat Capacity

Specific Heat Capacity

Specific Latent Heat of Fusion

Specific Latent Heat of Vaporisation

General Properties of Waves

Period

Wave Speed

Sound

Velocity of Sound in Air

Velocity of Echoes in Air

Light (Reflection & Refraction)

Snell’s Law

Refractive Index

Total Internal Reflection