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Definition of Parallelogram Rule
Parallelogram Rule provides the means to perform vector addition of two vectors in two-dimensional space.
More about Parallelogram Rule
It is most easily understood in the two-dimensional model.
It is also called parallelogram law.
Example of Parallelogram Rule
Suppose two persons are pulling a load with a force f1 and f2 in two different directions from a fixed point. Then these forces can be represented as two sides of a parallelogram. By completing the parallelogram and using the parallelogram rule, the diagonal represents the sum of the two original forces f1 + f2.
- source Math dicitonary
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