If two identical charges are placed 1 meter apart, what happens to the force between them if the distance is doubled?
Correct Answer: Force becomes one-fourth.
- Step 1: Understand that we have two identical charges placed 1 meter apart.
- Step 2: Recall Coulomb's law, which states that the force between two charges is inversely proportional to the square of the distance between them.
- Step 3: If the distance is doubled from 1 meter to 2 meters, we need to calculate the new force.
- Step 4: Since the distance is doubled, we square the new distance: (2 meters)² = 4.
- Step 5: The force is now 1 divided by 4 (the square of the new distance), which means the force is reduced to one-fourth of the original force.
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