Refer to the force diagram to the left for question 10-12.
Calculate the net force (Fnet) acting on the object.
639 N
54 N
12 N
2.8 N
In what direction is the net force applied?
Up
To the left
Down
To the right
Calculate the acceleration of the object.
3.2 m/s2
0.31 m/s2
4.4 m/s2
44 m/s2
Adam is visiting the Grand Canyon with his family. Despite repeated warnings from a park ranger, Adam throws a 0.85 kg (8.3 N) rock off a cliff. Midway through the rock’s fall, the air resistance (pushing upward) on the rock is 4.1 N.
Calculate the net force acting on the rock.
12.4 N
4.2 N
2.0 N
34 N
In what direction is the net force acting on the rock?
