Physics

Problem

A uniform ladder

3.0\,\text{m}

long and weighing

180\,\text{N}

rests against a smooth vertical wall, making an angle of

60^{\circ}

with the horizontal ground. Determine the magnitude of the torque about the foot of the ladder due to the ladder’s weight. a)

270\,\text{N m}

135\,\text{N m}

234\,\text{N m}

90\,\text{N m}