MULTIPLE CHOICE QUESTION Side 5
Example 2
A rightward force of 46.8 N is applied
to a 4.0-kg object. There is 14.8 N of
friction. Determine the acceleration.
F = 39.2 N
What is the acceleration of the object?
(Remember a = Fnet/m and acceleration needs a
direction)
F.
46.8 N
14.8 N
8 m/s/
Solution:
С C
0.125 m/s/s to the right
= 39.2 N
8 m/s/s to the left
8 m/s/s to the right