Three Pith Balls Supported by Insulating Threads Hang from a Support

question 19

Multiple Choice

Three pith balls supported by insulating threads hang from a support. We know that ball X is positively charged. When ball X is brought near balls Y and Z without touching them, it attracts Y and repels Z. Since pith is an insulating material, we can conclude that

• A) Y has a negative charge.
• B) Z has a negative charge.
• C) Y has a positive charge.
• D) Z has a positive charge.
• E) Z is neutral (has no net charge.)

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Definitions:

Socializer

An individual who actively seeks out or enjoys participating in social activities with others.

Passive Communication

A style of communication where the individual fails to assert their own ideas or needs, often avoiding confrontation.

Group Size

The number of individuals constituting a group or team, which can influence dynamics, interaction, and outcomes.

Response Bias

describes a tendency in survey or research participants to answer questions inaccurately due to various factors, including question wording, methodology, or personal bias.