As Shown in the Figure,three Force Vectors Act on an Object.The

question 748

Multiple Choice

As shown in the figure,three force vectors act on an object.The magnitudes of the forces as shown in the figure are F₁ = 80.0 N,F₂ = 60.0 N,and F₃ = 40.0 N,where N is the standard SI unit of force.The resultant force acting on the object is given by

• A) 180 N at an angle 60.0° with respect to +x-axis.
• B) 60.0 N at an angle 90.0° with respect to +x-axis.
• C) 20.0 N at an angle 34.3° with respect to +x-axis.
• D) 35.5 N at an angle 34.3° with respect to +x-axis.
• E) 40.0 N at an angle 60.0° with respect to +x-axis.

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Definitions:

Growth Rate

The rate at which a living organism or part of an organism increases in size.

Natural Resources

Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain or ecological functions.

Biotic Potential

The maximum reproductive capacity of an organism under optimum environmental conditions.

Environmental Resistance

The sum of environmental factors that tend to restrict the biotic potential of an organism or population, affecting its growth and survival.