A force of 20n acts upon the same point as a force of 12n (The direction of the forces can be changed at will)
A) What happens to the magnitude of the resultant of these forces as the angle between them decrease?
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Answer:
resultant=√(20×20+12×12+2×20×12cos angle between them)
its value is maximum when angle is 0° as cos0°=1 and minimum when angle is 90° as cos90°=0
so answer is magnitude of resultant force increases when angle between them decreasees.
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