To determine which hypothesis is best supported by the force diagrams, I would need to understand the content of those diagrams. However, based on the provided options, I can make some educated guesses:
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"Earth is a giant magnet." - This hypothesis may be supported if the diagrams illustrate magnetic field lines or poles similar to those of a magnet.
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"Opposite poles of a magnet attract." - If the diagrams show two magnets with opposite poles facing each other, indicating attraction, this hypothesis is supported.
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"Magnet materials are iron, steel, nickel and cobalt." - This hypothesis would be supported if the diagrams indicate interactions specifically with these materials in a magnetic field.
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"Horseshoe-shaped objects tend to possess magnetic properties." - If the diagrams specifically depict horseshoe magnets or show how they create a magnetic field, this hypothesis may be supported.
Without visual context, the strongest assumptions depend on the representation: if the diagrams indicate attraction between opposite poles, they support the second hypothesis. If they display Earth-like field lines, they support the first hypothesis.
If you have more information about what the diagrams illustrate, I could provide a more accurate answer.
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