Author Question: Three forces, 5.0 N, 15.0 N, and 20.0 N, are acting on a 9.81 kg object. Which of the following ... (Read 140 times)

sjones · **on:** Jul 28, 2018

Three forces, 5.0 N, 15.0 N, and 20.0 N, are acting on a 9.81 kg object. Which of the following forces could also be acting on the object if it is moving with constant velocity?
a. 1.0 N
c. 39.0 N
b. 19.0 N
d. any of the above

Question 2

The accelerating force of the wind on a small 250-kg sailboat is 707 N northeast. If the drag of the keel is 500 N acting west, what is the acceleration of the boat?
a. 1.5 m/s2 due east
c. 3.0 m/s2 northeast
b. 2.5 m/s2 due north
d. 2.0 m/s2 due north