Which formula is used to find fluctuation of the shape of body

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight