A Uniform Rod AB Is 1

question 9

Multiple Choice

A uniform rod AB is 1.2 m long and weighs 16 N.It is suspended by strings AC and BD as shown.A block P weighing 96 N is attached at E, 0.30 m from A.The magnitude of the tension force in the string BD is:

• A)8.0 N
• B)24 N
• C)32 N
• D)48 N
• E)80 N

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Definitions:

Variability

The measure of how much data points in a set differ from the average or mean value.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values around the mean, used to understand how spread out the data points are.

Heritability

The proportion of variation in traits in a population that can be attributed to genetic differences between individuals.

Correlation Coefficient

A statistical measure that describes the magnitude and direction of a relationship between two or more variables, typically ranging from -1 to 1.