A Fluid Has a Density of 1 040 Kg/m³

question 57

Multiple Choice

A fluid has a density of 1 040 kg/m³.If it rises to a height of 1.8 cm in a 1.0-mm diameter capillary tube,what is the surface tension of the liquid? Assume a contact angle of zero.

• A)0.046 N/m
• B)0.056 N/m
• C)0.092 N/m
• D)0.11 N/m

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Definitions:

Negative Reinforcement

A concept in behavioral psychology where the removal of an unpleasant stimulus in response to a desired behavior increases the likelihood of that behavior being repeated in the future.

Aversive Punishment

A form of behavior modification that involves presenting an unpleasant stimulus to decrease the likelihood of a behavior's recurrence.

Negative Reinforcement

The removal of an unpleasant stimulus to increase the likelihood of a behavior being repeated.

Electric Shock

A sudden discharge of electricity through a part of the body, which can cause a range of effects from a mild tingling to severe injury or even death.