Questions
A force of - F acts on O, the origin of the coordinate system. The torque about the point (1, - 1) is
detailed solution
Correct option is C
We know thatτ→=r→×F→The force F and point (1, - 1) is shown in figure.Now τ→=(i^−j^)×(−Fk^)=F[(−i^×k^)+(j^×k^)]=F[j^+i^]=F(i^+j^)Talk to our academic expert!
Similar Questions
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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