Question

The maximum force in addition to the weight
required to pull a wire frame 5.0 cm long from a
water surface at a temperature of 20 °C is
720 dyne. The surface tension of water is
(A) 72.0 dyne/cm
(B) 145 dyne/cm
(C) 720 dyne/cm
(D) 14.5 dyne/cm
T
of​

Answer 1

Answer:

I don't know soooryyyy sooryyyyyy

Answer 2

Answer:

The maximum force, in addition to the weight required to pull a wire of 5.0 cm long from the surface of water at temperature 20°C, is 728 dynes.