Two Small Charged Objects Repel Each Other with a Force

question 30

Multiple Choice

Two small charged objects repel each other with a force F when separated by a distance d.If the charge on each object is reduced to one-fourth of its original value and the distance between them is reduced to d/2 the force becomes:

• A)F/16
• B)F/8
• C)F/4
• D)F/2
• E)F

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Definitions:

Diaphragm

A large, dome-shaped muscle located at the base of the lungs that plays a key role in breathing by contracting and expanding the thoracic cavity.

Backflow

The flow of a fluid in a direction opposite to its usual or intended direction, often causing contamination or malfunction in plumbing or in bodily systems.

Valves

Structures present in the heart and veins that maintain unidirectional flow of blood by opening and closing in response to pressure differences.

Venous Valves

Structures within veins that prevent the backward flow of blood, crucial for blood returning to the heart.