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A student observes interactions between two sets of electrically charged objects. In each set, the objects carry either a charge of -1 or +1 Coulomb. Which question can the student ask to identify the set with the stronger interaction?(1 point)
Are the objects both positively charged or both negatively charged?
What is the mass of each object in the interactions?
How large are the objects in each set?
How far apart are the objects in each interaction?
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"How far apart are the objects in each interaction?"
Reason: Coulomb's law gives the force magnitude F = k|q1 q2|/r^2. Since all charges have magnitude 1 C, the only quantity that changes the interaction strength is the separation r. The other options (sign, mass, or object size) do not determine the magnitude of the electrostatic force in this situation.
Reason: Coulomb's law gives the force magnitude F = k|q1 q2|/r^2. Since all charges have magnitude 1 C, the only quantity that changes the interaction strength is the separation r. The other options (sign, mass, or object size) do not determine the magnitude of the electrostatic force in this situation.
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