Questions
A force F = 2.0 N acts on a particle P in the XZ-plane. The force F is parallel to X-axis. The particle P (as shown in the figure) is at a distance 3 m and the line joining P with the origin makes angle 30° with the X-axis. The magnitude of torque on P w.r.t. origin O (in N-m) is [AMU 2011)
detailed solution
Correct option is B
As, torque, τ=F⋅rsinθ=2×3×sin30∘ (Given)⇒ τ=6×12=3N−mTalk 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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