If the two hooks are at the same point in three dimensions, AND if the the man is holding a weight equal to his own weight. The total weight being supported is 2 x the man's weight and there are two hooks so each hook will have a pull equal to the man's weight.
A standard outdoor hammock that one can purchase from the store can hold up to approximately five hundred pounds in weight as long as the supports are steady and firm to hold such weight.
Make sure it can support your weight first. Next find a place with to places to tie the edges of the hammock to, in a way that would 2 feet between the bottom of the hammock and the floor. Tie both ends of the hammock tightly, and get on. If you haven't fallen yet, then you have succeeded.
ischial tuberosities
The weight of the 1847 Liberty Seated dollar is 26.73 grams.
A hammock.
Probably around 300 pounds, they can hold a lot of weight, as with everything, the more money you spend the better their built, which is usually the case.
Both Lowe’s and Home Depot do sell Hammocks and Hammock Stands. The stands are ideal for areas where you don’t have trees or an adequate area to hang it from. They can also then be moved easily so if you want to move out of the sun, to the other side of the house, etc it’s really easy. I have seen the hammock stand by itself at home depot but at Lowe’s I have only ever seen the complete unit with hammock and stand. The price range at these stores is around $130 to $200 depending if it comes with the actual hammock, the weight limit, brand, etc.
That depends on how well supported the floor is and that depends on how far apart the joists are placed. The closer they are, the more weight can be supported.
When sitting, the weight of a person is supported by the lower spine, the hips and the buttocks.
The manufacturer rates the maximum supported weight of the mount as 40 pounds.
Legs
weight should be evenly distributed, you can be approximate, and you should just estamate the weight of the passengers and seat them on the otherside of the boat of someone who is near the same estimated weight