Three Forces, All Act on an Object, as Shown

question 16

Multiple Choice

Three forces, all act on an object, as shown in the figure. The magnitudes of the forces are: The resultant force acting on the object is given by

• A) 40.0 N at an angle of with respect to +x -axis.
• B) 180 N at an angle of with respect to +x -axis.
• C) 20.0 N at an angle of with respect to +x -axis.
• D) 60.0 N at an angle of with respect to +x -axis.
• E) 35.5 N at an angle of with respect to +x -axis.

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Definitions:

[H+]

Symbol denoting the concentration of hydrogen ions in a solution, indicative of its acidity.

HCl

Hydrochloric acid, a strong acid consisting of hydrogen and chlorine that is often used in industrial and laboratory settings.

K

The chemical symbol for potassium, a soft, silvery-white metal that is highly reactive with water.

[H+]

The concentration of hydrogen ions in a solution, which is a measure of the solution's acidity.