Vector basics
The resultant of two forces, one double the other in magnitude, is perpendicular to the smaller of the two forces. The angle between the two forces is ?
PLEASE SOLVE IN SHORTEST WAY POSSIBLE
6 Replies
@Gyro Gearloose
Note for OP
+solved @user to close the thread when your doubt is solved. Mention the user who helped you solve the doubt. This will be added to their stats.use tan x = b* sin(theta)/ a + b * cos(theta)
a = 2b
x = 90 degree according to question so tan x is not definied
so denominator part that is 2b+b*cos(theta) = 0
so you get cos(theta) = -1/2
theta = 120 degree
+solved @Sukritya
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