SCALARS & VECTORS
CLASS 9 & 10 · PHYSICS
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REMEMBERVector = size + direction
- Scalars add normally: 3 kg + 4 kg = 7 kg
- Vectors need direction: 3 N ⟂ 4 N = 5 N
- Vectors are drawn as arrows
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CLASS 9 & 10 · PHYSICS3 N + 4 N = 7 N? Not always!
Scalars vs vectors in 25 seconds
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