This diagram shows a 40-kg object being pulled in one direction while friction acts on it in the opposite direction. Friction
20 N
Pull
140 N
40 kg
What is the net force on the object?
A 140 N
B. 20 N
C. 160 N
D. 120 N
Sign ou

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

i think the answer is terrae but not 100 percent sure. ▓▬▬ §