Consider the image of the male reproductive organs. Both urine and seminal fluid travel out of the male body through the penis. What is the name of the tube within the penis that carries both fluids from the body?
A)
urether
B)
urethra
C)
bladder
D)
vas deferens

Yes, take risk in life

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