What Is Newton's Second Law of Motion

question 221

Multiple Choice

What is Newton's Second Law of Motion?

• A)The mutual forces of action and reaction between two bodies are equal, opposite and collinear.
• B)The velocity of a body remains constant unless the body is acted upon by an external force.
• C)The acceleration (a) of a body is parallel and directly proportional to the net force (F) and inversely proportional to the mass m, i.e., F = ma.
• D)The acceleration (a) of a body is perpendicular and inversely proportional to the net force (F) and directly proportional to the mass (m), i.e., F = ma.

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Definitions:

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A statistical measure that describes the degree to which two variables move in relation to each other.

Standard Deviation

A statistical measure that represents the dispersion or variability of a data set or investment returns around the mean.

Covariance

A measure of the degree to which two variables move in relation to each other. It can indicate if the movements are positively or negatively correlated.