In Fig. 4-2, if the tensions in the ropes are 50 N, what is the mass of the traffic light?
A. 3.1 kg
B. 4.1 kg
C. 6.1 kg
D. 8.1 kg
Answer:C
In Fig. 4-2, if the tensions in the ropes are 50 N, what is the mass of the traffic light?
A. 3.1 kg B. 4.1 kg C. 6.1 kg D. 8.1 kg