A traffic light is suspended from the ceiling by a single massless cable that passes…

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A 6 kg6\,\text{kg} traffic light is suspended from the ceiling by a single massless cable that passes over two small frictionless pulleys, so that the two segments of the cable make an angle of 60∘60^{\circ} with each other (that is, each segment is 30∘30^{\circ} from the vertical). The light is at rest. What is the magnitude of the tension in the cable? (a) 68 N68\,\text{N} (b) 34 N34\,\text{N} (c) 29 N29\,\text{N} (d) 49 N49\,\text{N}

Related theory

Browse the problem library