Physics · 2019
JEE Main · 10 January 2019, Shift 2 · Q4
Two forces P and Q, of magnitude 2F and 3 F, respectively, are at an angle θ with each other. If the force Q is doubled, then their resultant also…
Two forces P and Q, of magnitude 2F and $\displaystyle 3$ F , respectively, are at an angle $\displaystyle \theta$ with each other. If the force Q is doubled, then their resultant also gets doubled. Then, the angle $\displaystyle \theta$ is :
Official answer
(4)
$\displaystyle 120$°
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.