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Forces in Equilibrium

Free body diagrams
  • Free body diagrams show an object with all of the forces it is experiencing drawn as force arrows.

Ball hanging on a 1m string is pulled 30cm to the side, with a force of 1N.

How to resolve forces on a force board
  • First resolve your individual forces using \(F_{\text{vertical}} =F\times \sin\theta\) and \(F_{\text{horizontal}}=F\times \sin\theta\)
  • Then add your vertical componants together to find the weight required (this question only)
Resolving forces on a force board

Left-click: follow link, Right-click: select node, Scroll: zoom
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