The Figure Shows Two Forces Acting at Right Angles on an Object.They

question 95

Multiple Choice

The figure shows two forces acting at right angles on an object.They have magnitudes F₁ = 6.3 N and F₂ = 2.1 N. What third force will cause the object to be in equilibrium (acceleration equals zero) ?

• A) 6.6 N at 162° counterclockwise from ₁
• B) 6.6 N at 108° counterclockwise from ₁
• C) 4.2 N at 162° counterclockwise from ₁
• D) 4.2 N at 108° counterclockwise from ₁

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Definitions:

P-value

A statistical measure that helps to determine the significance of results, indicating the probability of observing the results given that the null hypothesis is true.

Null Hypothesis

Null hypothesis refers to a statement used in statistics that suggests no statistical significance exists in a set of given observations.

Alternative Hypothesis

The alternative hypothesis is a statement in hypothesis testing that proposes a specific relationship between variables, contrasting the null hypothesis.

One-sided Test

A hypothesis test in which the region of rejection is on only one side of the sampling distribution, assessing either a lower or upper tail.