What is the net external force on an object in freefall on earth if you were to neglect the effect of air ? a) the net force is 0
b) the net force is upward with magnitude mg
c) the net force is downwards with magnitude mg
d) the net force is downwards with magnitude 9.8N

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.