We feel that he does nothing.

A man is running down an inclined plane. Is he doing work or is work being done on him? Why is it that under normal circumstances when we are running down an inclined plane we feel that we are doing work?

If the relative humidity is more than 60% , we feel that the air is humid.

If we touch a piece of steel and wood on a winter day we feel that the steel is colder than wood .if we touch the steel and the wood on summer day we feel that steel is hotter than wood why?

We feel that some objects are cold, and some are hot. Is this feeling related in some way to our body temperature?