what is the angle between 4n and 3n force so that resultant is of 5n (a)0 (b) 60 ( c)90 (d)45
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Answer:
Explanation:answer is 90 degree
Answer for boards and school is in attachments
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Quick answer can be that 3,4and5 are Pythagoras triplent... So directly answer is 90 degrees
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Answer:
(c) 90°
Explanation:
R² = F1²+F2²-2F1F2cos∝
25 = 25 - 24 cos∝
cos∝ = 0
∝ = 90°
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