Eric Nicholas K's answer to Suzie's Secondary 3 E Maths Singapore question.
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Suzie, the resultant force here is represented by AB. The individual components must be XA and XC (in my diagram), where XC has the same length as AB.
We draw a line from A to B in that direction and likewise for X to C, and measure its length.
We measure the length of XB as well and this length will correspond to 6.0 N.
I am not sure what that length is on your paper.
So let’s say XB is 6 cm.
Then, 1 cm represents 1.0 N.
If you use a ruler and measure XC to be say 7 cm, then the magnitude of XC is 7.0 N.
We draw a line from A to B in that direction and likewise for X to C, and measure its length.
We measure the length of XB as well and this length will correspond to 6.0 N.
I am not sure what that length is on your paper.
So let’s say XB is 6 cm.
Then, 1 cm represents 1.0 N.
If you use a ruler and measure XC to be say 7 cm, then the magnitude of XC is 7.0 N.
Date Posted:
3 years ago
It’s a “to-scale” diagram, so we can use lengths to make comparisons. A catch is that we must draw such scale diagrams accurately.
Thank you! It helped a lot!
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