Question

the images below show two pairs of magnets. the magnets in different pairs do not affect each other. all the magnets shown are made of the same material, but some of them are different sizes and shapes.
pair 1
pair 2
13.6 mm
13.6 mm
think about the magnetic force between the magnets in each pair. which of the following statements is true?
the magnitude of the magnetic force is greater in pair 1.
the magnitude of the magnetic force is greater in pair 2.
the magnitude of the magnetic force is the same in both pairs.

Explanation:

Step1: Analyze Magnetic Force Factors

Magnetic force between magnets depends on factors like distance and the amount of magnetic material (since same material, mass/volume relates to force). Pair 1 has larger magnets (bigger size) than Pair 2 (smaller, as seen from the visual: Pair 1's magnets are larger in area/volume). More magnetic material (same material, so more mass/volume) means stronger magnetic force when distance is same (both pairs have 13.6 mm distance).

Step2: Compare Pair 1 and Pair 2

Pair 1 magnets are larger (more magnetic material) than Pair 2, at same distance (13.6 mm). So magnetic force magnitude is greater in Pair 1.

Answer:

The magnitude of the magnetic force is greater in Pair 1.