Questions
O is the centre of an equilateral triangle ABC. are three forces acting along the sides AB, BC and AC as shown in figure. What should be the magnitude of so that total torque about O is zero
detailed solution
Correct option is A
Total torque about O =F→1d+F→2d−F→3d=0⇒F→3=F→1+F→2Talk 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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