Questions
The moment of the force, at (2,0,-3), about the point (2,-2,-2) , is given by
detailed solution
Correct option is D
Moment of the force is, τ→=r→-r→0×F→ Here, r→0=2i^-2j^-2k^ and r→=2i^+0j^-3k^∴ r→-r→0=(2i^+0j^-3k^)-(2i^-2j^-2k^)=0i^+2j^-k^∴ τ→=i^j^k^02-145-6=-7i^-4j^-8k^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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