An Object Is Being Acted Upon by Three Forces and Moves

question 91

Multiple Choice

An object is being acted upon by three forces and moves with a constant velocity. One force is 60 N along the x-axis, the second is 75 N along a direction making a clockwise angle of 150° with the x-axis. What is the direction of the third force, measured clockwise from the x-axis?

• A) 164°
• B) 146°
• C) 236°
• D) 255°
• E) 262°

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Definitions:

Normally Distributed

Describes a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Confidence Interval Estimate

A range of values, derived from sample statistics, used to estimate the true value of a population parameter.

Two Normally Distributed Populations

Refers to two groups or populations where the data points follow a normal distribution, with specific means and standard deviations.

Independent Samples

Two or more samples that are collected from populations, or groups, that do not affect one another and have no relationship between them.