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:

Complete Proteins

Proteins that contain all nine essential amino acids necessary for the dietary needs of humans.

Side Chain

The part of an organic molecule that is attached to the main chain (or backbone) of the molecule, which can influence the molecule's properties and reactivity.

Valine

An essential amino acid that is crucial for muscle growth, tissue repair, and energy provision in the body.

5-Membered Ring

A cyclic structure in organic chemistry consisting of five atoms, which can be of the same or different elements.