Questions
O is the centre of an equilateral triangle ABC. F1 , F2 and F3 are three forces acting along the sides AB, BC
and AC respectively as shown in figure.
What should be the magnitude of F3, so that the total torque about O is zero?
detailed solution
Correct option is C
For total torque about O to be zero,F1r+F2r-F3r=0⇒ F3=F1+F2Talk to our academic expert!
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A body is placed on a horizontal frictionless surface. When a horizontal force F is applied on the body, it is observed that the body makes only translational motion. The which of the following points may be the positions of its centre of mass?
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