Three Forces $\overrightarrow { \mathbf { F } }$ ₁ $\overrightarrow { \mathbf { F } }$

question 78

Multiple Choice

Three forces, $\overrightarrow { \mathbf { F } }$ ₁, $\overrightarrow { \mathbf { F } }$ ₂, and $\overrightarrow { \mathbf { F } }$ ₃, each of magnitude 70 N, all act on an object as shown in the figure. The magnitude of the resultant force acting on the object is

• A) 35 N.
• B) 70 N.
• C) 140 N.
• D) 210 N.
• E) 0 N.

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Definitions:

Freshmen

First-year students in a secondary or post-secondary educational institution.

Probability

The evaluation of how probable an event is, shown as a numerical value between 0 and 1, where 0 stands for the event being impossible and 1 representing absolute certainty of the event occurring.

Sample Mean

The sample mean is the average value of a sample set of numbers, calculated by dividing the sum of all values in the sample by the number of values.

Standard Deviation

A quantification of the variability or scattering of data points within a dataset.