Do different acoustic guitar body shapes require different gauges of strings?

Not really, it's much more about what you'd like to play on in terms of string gauge. Having said that, it is true that heavier strings will make the guitar's body resonate more and therefore hopefully sound better but this is largely subjective. By the same token, using gauge 10 acoustic strings on a Jumbo bodied guitar is perhaps not going to get the most from that large body but it really is personal choice at the end of the day.

What type of acoustic guitar strings should I get?

The type of acoustic guitar strings you get will depend on your level of experience, playing style and the kind of sound you're looking to achieve. Lighter strings will provide an easier playing experience and brighter sound, but will come at the cost of control and warmth and vice versa.

What is the standard acoustic guitar gauge?

Generally speaking, gauge 12 strings are thought of as standard gauge for acoustic guitars. That does not mean that this is what you need to stick to - lots of guitarists prefer lighter and heavier gauges. Gauge 12 strings are what most acoustic guitars ship with and are a happy medium. They are a good starting point.

What acoustic guitar strings are best?

The best acoustic guitar strings will vary depending on your level of experience, playing style and your preferred sound, however the D'Addario EJ16 Light Acoustic 12-53 are a very popular and well-rounded set of strings.

What are the easiest to play acoustic guitar strings?

The easiest acoustic guitar strings to play are strings that are lighter. The lighter the string gauge, the less pressure and finger strength needed to fret the strings.