Questions and Answers
What does Coulomb's law calculate?
The amount of force between two electrically charged particles at rest
What is the relationship between the electrostatic force and the distance between two point charges, according to Coulomb's law?
Directly proportional to the product of the magnitudes of their charges and inversely proportional to the squared distance between them
What did Coulomb discover about the force between bodies with like electrical charges?
They repel each other and follow the inverse proportion of the square of the distance
What is the equation for Coulomb's law?
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What did Coulomb show about the force between oppositely charged bodies?
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Study Notes
Coulomb's Law
- Coulomb's law calculates the electrostatic force between two point charges.
- According to Coulomb's law, the electrostatic force between two point charges is inversely proportional to the square of the distance between them.
- Coulomb discovered that the force between bodies with like electrical charges (i.e., both positive or both negative) is repulsive, meaning they push each other away.
- The equation for Coulomb's law is: F = k * (q1 * q2) / r^2, where F is the electrostatic force, k is Coulomb's constant, q1 and q2 are the magnitudes of the two point charges, and r is the distance between them.
- Coulomb showed that the force between oppositely charged bodies (i.e., one positive and one negative) is attractive, meaning they pull each other towards each other.
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