Answer:
Line of Action
Explanation:
In physics, the line of action (also called line of application) of a force F is a geometric representation of how the force is applied. It is the line through the point at which the force is applied in the same direction as the vector F→.
Example:
If two forces of equal magnitude act upon a rigid body along the same line of action but in opposite directions, they cancel and have no net effect.
How to find:
We can find the line of action by taking moments about a point. Do by means of an example. Example 2: F1 = 2 i + j N is applied at A(2, 0). F2 = 6 i + 3 j N is applied at O(0, 0).
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