In the Laboratory, a Stick 1 M Long Is Pivoted

question 98

Multiple Choice

In the laboratory, a stick 1 m long is pivoted at various points to illustrate the motion of a physical pendulum. A plot of the period versus the distance of the pivot point from the center of mass is shown. The data presented demonstrate which of the following?

• A) The motion of a pendulum is circular about the center of mass.
• B) The center of mass is at 0.4 m.
• C) The graph is meaningless in this form.
• D) There is a minimum period in the neighborhood of 1.5 s at a pivotal distance of approximately 0.4 m from the center of mass.
• E) The graph should be drawn as a straight line from A to C; point D is obviously wrong.

---

Definitions:

Planning Stages

The sequential steps or phases in the process of organizing and preparing a project or strategy, from initial concept to final implementation.

Problem-Solving Process

A methodological approach to identifying, analyzing, and resolving issues through logical and systematic steps.

Modeling

The process of representing or simulating real-world processes, systems, or behaviors through mathematical formulas, computer simulations, or role-playing, to study or predict outcomes.

Coming Out

The process by which individuals acknowledge and disclose their sexual orientation or gender identity to others, which can be a significant and personal journey.