Magnitude of resultant of two forces is equal to the magnitude of their difference. What is the angle between the two? )(Ans:- 90°)
Answers
Answer:
Let’s solve this problem using symmetry.
Take three forces of equal magnitute such that the net force is zero.
Can you imagine their orientation? All three forces would be angled at 120∘ with each other in a plane.
Since the net force is zero, the resultant of any two forces would equal (with a negative sign) the third.
So, there you have it, my friend. Thy angle be 120∘ .
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Explanation:
Answer:
a^2+b^2 -2abcos°=(a-b)^2
2abcos°=2ab
cos°=1°=0