The chair is pushing up with a force equal to your weight.
WHEN I SIT ON A CHAIR IT MAKES ME RELAX.
You sit ON a chair, you sit AT a desk.
a sit in is when you sit in a chair
It is on the chair not in the chair you do not say in am sitting in the chair although you do you saiy I'm sitting on the the chair, an dchairwould be like a stool if you havent got a back rest or anthing whereas if it is a fully arm chair then it is in the chair because you are sitting down with a cover surrounding you back!
You sit on a chair by sitting on it! It is not hard, unless if you have a difficulty.
Sit on a chair, sit at a desk. Your can sit on both, it is just a matter of comfort
Maybe chair is to sit as sofa is to recline.
A chair
No, "sit" is not a noun in that context. It is a verb that describes the action of sitting. A noun in that sentence would be "chair," which is the object of the action.
yes it can if you put it on the chair
A chair
sit