Force: The amount of exertion on a body
mass is the amount of matter in an object and it is measured in grams. weight deals with gravitys exertion on an object.
The amount of space occupied by a body is called its volume. Mass is the amount of metter in a body whereas volume is the amount of space a body occupies.
The total amount of matter in a body is calledthe molecules
Fear. exertion. Sweat is used to cool the body by evaporation.
It is called exercise. Exertion of the body for health, strength and dexterity. It is a practice for the acquisition of skill and you have a home grown product to enjoy in the fullness of time
Make sure that all you gear is close into your body making you more streamlined, don't let hoses dangle. Also a good horizontal body position helps.