Pain.
If someone tells me they are feeling hot and sweaty, I can infer that they are likely in a warm environment or engaging in physical activity.
I have a feeling that this is for homework, but whatever. Crushing stone, sawing wood and shredding paper are all examples.
physical
Which is a feeling of physical discomfort caused by the body's need for nutrients?
YES.
physical companion
An intrinsic reward is simply a mental feeling of achievement or accomplishment that has no physical representation. I.E. a simple "well done" from a co-worker. This is as opposed to extrinsic rewards such as physical certificates or medals.
Both
The physical act of "feeling someone up."
emotion
an example of physical capital would be
Feeling cool is a non-example of fever