Why does punching an appliance sometimes seem to fix it?

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So I live in military barracks and i have a shitty fridge in my room. It started making this horrible noise, and out of desperation I landed a solid right hook to the side of it. Like magic, the noise stopped. This has happened numerous times in my life. Something is broken, and some brute force fixes it. What happens inside that could solve the problem from percussive force?

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Anonymous 0 Comments

If its a wobbly worn out motor bearing or loose electrical connection, a solid whack could temporarily jostle the parts enough to either stop the noise or make the electrical connection again.

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