d. 4225 N
18. Someone is pulling 10kg brick upward with a rope. If the force of tension on the rope is
120N, what is the acceleration? (hint: draw a FBD. The rope has to overcome gravity
before the brick accelerates!) F, = mg & Fnet = ma
a. 10 m/s²
b. 2.2 m/s²
c. 12 m/s²
d. 1200 m/s²