Two forces equal in magnitude have a resultant with its magnitude equal to either. The anglebetween them is
Question
Two forces equal in magnitude have a resultant with its magnitude equal to either. The anglebetween them is
Solution
The forces are equal in magnitude and their resultant is also equal to their magnitude. This situation can only occur when the forces are acting in the same direction or in opposite directions.
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If the forces are acting in the same direction, the angle between them is 0 degrees.
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If the forces are acting in opposite directions, the angle between them is 180 degrees.
So, the angle between the two forces can be either 0 degrees or 180 degrees.
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