jee-main 2019 Q3

jee-main · India · session1_10jan_shift2 Forces, equilibrium and resultants
Two forces $P$ and $Q$, of magnitude $2F$ and $3F$, respectively, are at an angle $\theta$ with each other. If the force $Q$ is doubled, then their resultant also gets doubled. Then, the angle $\theta$ is:
(1) $120 ^ { \circ }$
(2) $60 ^ { \circ }$
(3) $30 ^ { \circ }$
(4) $90 ^ { \circ }$ 
Two forces $P$ and $Q$, of magnitude $2F$ and $3F$, respectively, are at an angle $\theta$ with each other. If the force $Q$ is doubled, then their resultant also gets doubled. Then, the angle $\theta$ is:\\
(1) $120 ^ { \circ }$\\
(2) $60 ^ { \circ }$\\
(3) $30 ^ { \circ }$\\
(4) $90 ^ { \circ }$
Paper Questions
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