As soon as a ball rolls off the edge of a table
A) it is not acted on by any forces.
B) it is not acted on by any horizontal forces.
C) has a zero net force acting on it.
D) none of the above
Question 2
A ball is thrown upward and caught when it returns. Compared with its initial speed and in the presence of air resistance, the speed with which it is caught is
A) more.
B) less.
C) the same.
D) need more information.