In figure shown, the upper block has mass 3 kg and the lower block has mass 5 kg. The uniform vertical rope joining the two has a length of 1 m, and a mass of 2 kg. The constant vertical force F = 200

Question

In figure shown, the upper block has mass 3 kg and the lower block has mass 5 kg. The uniform vertical rope joining the two has a length of 1 m, and a mass of 2 kg. The constant vertical force F = 200 N is acting on the upper block, and pulling the system upwards with some acceleration. Find the tension at the mid point of the rope (in N)

TestHub · Accepted Answer

Take upper block + half the rope: mass = 3 + 1 = 4 kg, weight = 40 N 200 − T − 40 = 4 a Take lower block + half the rope: mass = 5 + 1 = 6 kg, weight = 60 N T − 60 = 6 a Adding: 140 = 10 a ⇒ a = 10 m/s 2 T = 60 + 6 × 10 = 120 N

Physics - NLM Question with Solution | TestHub

Doubts & Discussion