Physics

Physics

Problem

Four separate forces act on a disk that can rotate about its center. For each force, the magnitude FF, the distance rr from the center, and the angle θ\theta between the force and the radius are given: A. F=10 N,  r=0.10 m,  θ=90oF=10\,\text{N},\; r=0.10\,\text{m},\; \theta=90^{\rm o} B. F=8 N,  r=0.15 m,  θ=60oF=8\,\text{N},\; r=0.15\,\text{m},\; \theta=60^{\rm o} C. F=12 N,  r=0.12 m,  θ=30oF=12\,\text{N},\; r=0.12\,\text{m},\; \theta=30^{\rm o} D. F=5 N,  r=0.25 m,  θ=90oF=5\,\text{N},\; r=0.25\,\text{m},\; \theta=90^{\rm o} Determine which force produces the greatest magnitude torque about the center. Answer with the letter A, B, C, or D.

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