16. A juggler tosses a club straight up. Disregarding any effects due to the air, what force or forces are acting on the club while it is above the juggler’s hands?


  • Its weight.
  • Its weight along with a steadily decreasing upward force.
  • Its weight along with an upward force that steadily decreases until the club reaches its highest point. After that point, there is only the constant downward force of gravity.
  • A steadily decreasing upward force from the moment it leaves the juggler’s hands until it reaches its highest point and then a steadily increasing downward force as the club returns toward the jugglers hands.