View source for KS4 Physics Forces

===Forces and their Interactions===
====Representing Forces====
*[[Vector]]s
*[[Force#Forces as Vectors|Forces as Vectors]]
*[[Free Body Diagram]]
*[[Scale Diagram]]
*[[Resolving Forces]]
*[[Resultant Force]]

====[[Contact Force]]s====
*[[Normal Contact Force]]
*[[Friction]]
*[[Drag]]
**[[Air Resistance]]
**[[Water Resistance]]
*[[Upthrust]]
*[[Driving Force]]
*[[Thrust]]
*[[Lift]]
*[[Tension]]

====[[Non-contact Force]]s====
*[[Magnetism|Magnetic Force]]
*[[Electrostatic Force]]
*[[Gravity|Gravitational Force]]
**[[Weight]]
**[[Gravitational Field Strength]]

====Interactions====
*[[Balanced Forces]]
*[[Unbalanced Forces]]
**[[Resultant Force]]
**[[Newton's First Law]]
*[[Newton's Third Law]]
**[[Force Pair]]
*[[Equilibrium Forces]]
**[[Deformation]]
***[[Elastic Deformation]]
***[[Inelastic Deformation]]
***[[Hooke's Law]]
***[[Spring Constant]]
***[[Work Done#Equation for Work Done by Deformation|Work Done by Deformation]]
[[GCSE Physics Required Practical: Investigating Hooke's Law]]

===Work Done as force x distance, energy transfer===
*[[Work Done]]
*[[Mechanical Energy Transfer]]

===Pressure and pressure differences in fluids===
*[[Pressure]]
**[[Normal (Physics)|Normal]]
*[[Fluid Pressure]]
*[[Atmospheric Pressure]]
*[[Upthrust]]

===Moments, Levers and gears===
*[[Moment]]s
**[[Centre of Mass]]
*[[Lever]]s
*[[Gear]]s