The nuclei of the following cells in a woman's body are identified with
compared:
1 a nerve cell;
2 a cell of the uterine lining.
Which cell nucleus contains, or which cell nuclei contain 23 pairs of chromosomes?
A Cell 1 only.
B Cell 2 only.
C Cell 1 and cell 2.
D Neither cell.

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