Physics

Problem

A force acts on a door

0.40\,\text{m}

away from the hinge at an angle of

45^{\circ}

to the door surface. What magnitude of force is required to produce a torque of

1.6\,\text{N m}

about the hinge? a)

8.0\,\text{N}

5.7\,\text{N}

4.0\,\text{N}

2.8\,\text{N}