A torque–versus–radius graph for a door hinge shows a straight line through the…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A torque–versus–radius graph for a door hinge shows a straight line through the origin with a slope of

12\,\text{N}

. The force is applied perpendicular to the door surface. What is the magnitude of the applied force? (a)

6\,\text{N}

(b)

12\,\text{N}

(c)

3\,\text{N}

(d)

24\,\text{N}