A 30-Kg Ball and a 1

question 28

Multiple Choice

A 3.0-kg ball and a 1.0-kg ball are placed at opposite ends of a massless beam so that the system is in equilibrium as shown. Note: The drawing is not drawn to scale. What is the value of the ratio of the lengths, b/a?

• A)2.0
• B)2.5
• C)3.0
• D)4.0
• E)5.0

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Definitions:

Pollution

The contamination of the natural environment by harmful substances or energies, leading to adverse effects on living organisms and ecosystems.

Employment

The condition of working for pay, involving a formal agreement between an employer and an employee.

Major Field

The primary area of study chosen by a student in college or university, which determines the focus of their academic coursework and degrees.

Critical Value

A threshold value used in hypothesis testing to determine whether or not to reject the null hypothesis.