M1 OCR: Vectors, Forces and Friction
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?- Created by: Ayesha
- Created on: 28-05-12 09:23
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Mechanics
1. Vectors, Forces and Friction
· Vectors have magnitude and direction
· To find the resultant force, line up all the forces tip to tail and connect them up
· Use the sine / cosine rules and rules about angles and parallel lines
· Remember for bearings go clockwise
· Unit Vectors
o Vector of magnitude 1
o Make components of the vector: i and j
o X direction: i
o Y direction: j
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