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