Buoyancy: a Rock Is Under Water in a Shallow Lake

question 23

Multiple Choice

Buoyancy: A rock is under water in a shallow lake. As the rock sinks deeper and deeper into water, the buoyant force on it

• A) increases.
• B) decreases.
• C) remains constant.

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Definitions:

Social Facilitation

The tendency for people to perform tasks better or more efficiently when in the presence of others than when alone.

Simple Tasks

Tasks that require a minimal amount of cognitive effort and skill to complete.

Complicated Tasks

Tasks that are multifaceted and complex, requiring significant mental effort, skill, or resources to complete successfully.

Social Compensation Effects

The phenomenon whereby individuals work harder in a group to compensate for the perceived lower performance of others.