A Spin Dryer
A sock going round a spin dryer experiences a centripetal force.
At the top of the dryer, the weight of the sock provides a centripetal force and the reaction force is a minimum.

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Key terms in this lesson
- centripetal force
- The resultant force directed towards the centre of a circular path that keeps an object moving along that circle.
More in Further Mechanics
- Proof - centripetal acceleration
- Centripetal Force
- On the Road
- The London Eye
- Momentum as a Vector
- Conservation of Momentum in Two Dimensions
- Resolving Momentum in Collisions
- Kinetic Energy and Momentum - Ek = p2/2m
All 15 lessons in Further Mechanics · All Edexcel A-level Physics topics