Author Question: As a 3.0-kg bucket is being lowered into a 10-m deep well, starting from the top, the tension in the ... (Read 157 times)

pepyto · **on:** Jul 28, 2018

As a 3.0-kg bucket is being lowered into a 10-m deep well, starting from the top, the tension in the rope is 19.6 N. The acceleration of the bucket will be:
a. 6.5 m/s2 downward. c. zero.
b. 9.8 m/s2 upward. d. 3.3 m/s2 downward.

Question 2

As a basketball player starts to jump for a rebound, he begins to move upward faster and faster until he leaves the floor. During this time that he is in contact with the floor, the force of the floor on his shoes is:
a. bigger than his weight.
b. equal in magnitude and opposite in direction to his weight.
c. less than his weight.
d. zero.