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Kim Talwar
Asked: 2022-11-05T17:17:27+05:30 In:

`O` is the centre of an equilateral triangle `ABC`. `F_(1), F_(2)` and `F_(3)` are the three forces acting along the sides `AB, BC` and `AC` respectively. What should be the value of `F_(3)` so that the total torque about `O` is zero?
image
A. `F_(1)+F_(2)`
B. `F_(1)-F_(2)`
C. `(F_(1)+F_(2))/(2)`
D. `2(F_(1)+F_(2))`

`O` is the centre of an equilateral triangle `ABC`. `F_(1), F_(2)` and `F_(3)` are the three forces acting along the sides `AB, BC` and `AC` respectively. What should be the value of `F_(3)` so that the total torque about `O` is zero?
image
A. `F_(1)+F_(2)`
B. `F_(1)-F_(2)`
C. `(F_(1)+F_(2))/(2)`
D. `2(F_(1)+F_(2))`
Parabola
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1 Answer

  1. `tau_(0)=F_(1)r+F_(2)r-F_(3)r=0`
    `F_(3)=F_(1)+F_(2)`

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