A thin ring of diameter 8 cm is pulled out of water (surface tension 0.07 N/m). The force required to break free the ring from water is
A. 0.0088 N
B. 0.0176 N
C. 0.0352 N
D. 3.52 N.
Answer:C
A thin ring of diameter 8 cm is pulled out of water (surface tension 0.07 N/m). The force required to break free the ring from water is
A. 0.0088 N B. 0.0176 N C. 0.0352 N D. 3.52 N.