A 4.0 kg mass is attached to one end of a rope 2 m long
PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
26. A 4.0 kg mass is attached to one end of a rope 2 m long. If the mass is swung in a vertical circle from the free end of the rope, what is the tension in the rope when the mass is at its highest point if it is moving with a speed of 5m/s ?
(A) 5.4 N
(B) 10.8 N
(C) 50 N
(D) 65.4 N