Questions
Find the torque of a force F = -3 + + 5 acting at the point r = 7 + 3 +
detailed solution
Correct option is A
τ→=r×F=ijk731−315= i [3 x 5 -1 x 1] + j [1 x (-3) -7x 5] +k[7 x 1-3(-3)]=14i^-38j^+16k^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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