1) The force due to the acceleration of gravity is straight down on the book (we call this a "normal force"), so the book doesn't move.
2) continue in that state to infinity.
3) same what? apparently because one had a larger velocity(or speed in this case) than the other - may need more info on this one
A book is on top of a table.Earths gravity exerts a constant force of 15 N on the book.why does the booj not move as a result of this force ?
An object is traveling in a straight line in space. No firces are,affecting it. What will happen to the objects motion?
Two race cars with the same mads stated moving on a race track at the same time. One car reached the finish line of the track in 15 sec, and the other reached the finish line in 20 sec. Why did the cars take different amounts of time to reach the finish line?
2 answers
Careful. The Normal force is exerted by the table, not gravity.