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PHY 102 Test Compilation PHY 102 20 Objective Question
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Question

Two charges feel a repulsive force of 96 N. What is the force if the separation r is quadrupled?
Options
A 6 N
Correct Answer
B 96 N
C 24 N
D 3 N
Correct Answer

Option A is the correct answer.

Detailed Explanation

F is proportional to 1/r2. If r becomes 4r, F becomes F/42 = F/16. New F = 96/16 = 6 N.

Hint

F is proportional to 1/r2.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 20
Type: Objective
Difficulty: Not specified
Question 1240 of 1819
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