What is the magnitude of the couple which acts on a rotating circular disc of radius 2m; if a constant tangential force of 2N is responsible for the rotation. by Sunday | Nov 6 | Physics JAMB | 0 comments A. 15Nm B. 25Nm C. 3Nm D. 4Nm Correct Answer: Option D – 4Nm Users Also Read These:A body of mass 8kg moving with a speed of 30ms-1 is…A net force of magnitude 0.6N acts on a body of mass…One major difference between disc plough and disc Harrow is?A stone tied to a string is made to revolve in a…The magnitude of the force required to make an…