What does gravity do to objects as they:

a) are thrown up:

b) fall toward earth:

In physics the desire of an object to keep doing what it is doing is termed?

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.