Changes

: The '''normal''' in '''normal contact force''' means the [[force]] acts at [[Right Angle|right angles ]] to the surfaces that are touching.: The '''normal contact force''' is equal in size and opposite in direction to any [[force]] applied to a [[solid]] surface. ===Examples==={| class="wikitable"|-|[[File:NormalContactForceBowlingBall.png|center|200px]]|[[File:NormalContactForceCar.png|center|300px]]|-| style="height:20px; width:300px; text-align:center;" |The '''normal contact force''' acts at the surface where the bowling ball touches the ground.| style="height:20px; width:300px; text-align:center;" |The '''normal contact force''' acts between the tyres and the surface of the road.|} ==Key Stage 4=====Meaning===The '''normal contact force''' is a support [[force]] that stops [[object]]s from passing through one another. ===About The Normal Contact Force===: The '''normal contact force''' is a [[force]] so it is [[Measure|measured]] in [[Newton]]s.: The '''normal contact force''' is a [[Contact Force|contact force]].: The '''normal''' in '''normal contact force''' means the [[force]] acts at [[Right Angle|right angles]] to the surfaces that are touching.: Any two [[object]]s that are touching will experience the '''normal contact force'''. It is usually shown between the ground and an [[object]] with [[weight]], but that is not always the case. Leaning against the wall results in a '''normal contact force''' between your body and the wall.: The '''normal contact force''' is equal in [[magnitude ]] and opposite in direction to any [[force]] applied to a [[solid]] surface.