A Uniform Rod AB Is 1

question 14

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:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of values.

Confidence Level

The probability or likelihood, expressed as a percentage, that a confidence interval actually includes the true parameter value.

Confidence Level

Expressed in percentage terms, this statistical measure tells us how confident we can be about the range within which the true parameter of a population lies, based on sample data.

Sample Size

The number of observations or units in a sample taken from a population for the purpose of statistical analysis.