![physics - meaghersclasses show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/016/143/small/physics-meaghersclasses.jpg)
Summary: This audio podcast is the soundtrack for the video podcast 'reaction forces (video) march 4 07'. It looks at how we can resolve a force into its components to determine the magnitude of the normal reaction force, and explains what causes the existence of this reaction force.