A triangular plate is shown. A force F = 4î -3ĵ is applied at point P. The torque at point P with respect to point 'O' and 'Q' are:

Question

G1 Physics · Accepted Answer

Use τ⃗=r⃗×F⃗ and Στ=Iα. For equilibrium, set ΣF=0 and Στ=0; for impending toppling take moments about the contact edge. Substituting the stated dimensions/forces gives - 15 - 20 3, 15 - 20 3.