The maximum force, in addition to the weight required to pull a wire o – McqOptions

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1.	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 \[20{}^\circ C\]is 728 dynes. The surface tension of water is
A.	\[7.28\,N/cm\]
B.	\[7.28\,dyne/cm\]
C.	\[72.8\,dyne/cm\]
D.	\[7.28\times {{10}^{2}}\,dyne/cm\]
Answer» D. \[7.28\times {{10}^{2}}\,dyne/cm\]

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