SI units, scalars and vectors
Slides do conjunto (4)
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- Scalar: have magnitude only
- e.g. 100kg
- Vector: have both magnitude and a direction
- e.g. 100N at 40 degrees from North
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- Vectors can be combined by placing the start of one at the end of the other.
- The final vector is calculated using Pythagoras/Trigonometry
- Trigonometry is SOHCAHTOA
- Legenda: Pythagoras
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- Splitting one vector into two by drawing or calculation
- Legenda: Resolving vectors by calculation
Informações
- Descrição
- The main SI units and a description
- Criado por
- Ezra Dorland
- Visualizações
- 291
- Tags
- Avaliação