A Block of Weight W Is Suspended by a String

question 1

Multiple Choice

A block of weight W is suspended by a string of fixed length.The ends of the string are held at various positions as shown in the figures below. In which case, if any, is the magnitude of the tension along the string the largest?

• A)case A
• B)case B
• C)case C
• D)case D
• E)The magnitude of the tension will be the same in all four cases, since the string must support the entire weight of the block.

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Definitions:

Null Hypothesis

A hypothesis that assumes no significant difference or effect, serving as the default assumption in hypothesis testing.

Type I Error

The mistake of rejecting a true null hypothesis, also known as a "false positive".

Type II Error

A statistical error that occurs when the null hypothesis is not rejected when it is false, also known as a "false negative" finding.

Level Of Significance

The threshold probability used in hypothesis testing to determine if the null hypothesis can be rejected, typically denoted by alpha (α).