When we draw scale diagrams, to determine resultant velocity etc, should we accurately draw it with a scale?

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giorgiana1976 | College Teacher | (Level 3) Valedictorian

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Yes, you need accuracy to draw a scale diagram. The word "scale" represents the certain amount the original dimensions have been reduced or enlarged.

The scale of a drawing is represented in this way:

- 1:a, which means that all sizes from the drawing have to be divided by the certain amount "a", to determine the real sizes, therefore the scale has been reduced (e.g. 1:2 scale means that the real dimensions have been halved in scale diagram).

- a:1, which means that all sizes from the drawing have to be multiplied by the certain amount "a", to determine the real sizes, therefore the scale has been enlarged (e.g. 2:1 scale means that the real dimensions have been doubled in scale diagram).

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