A force acts on a door away from the hinge at an angle of to the door surface

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

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}

(b)

5.7\,\text{N}

(c)

4.0\,\text{N}

(d)

2.8\,\text{N}