The human population is increasing at a rate of 1.13 percent each year. If it continues to grow at this rate, what effect might this increase have on the environment and on people? PLS IM SO DUMB

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on