A.
Ergonomics involves the study of the human body.
B.
Ergonomics is the science of adjusting environments, tasks, or procedures to fit you, the healthcare worker.
C.
Ergonomics is the study of human psychology.
D.
Ergonomics is the science of adjusting you, the healthcare worker, to fit the environment, tasks, or procedures.
Answer:
89.53 North
Explanation:
Total N-S displacement
23.72 - 39.25 + 105.06 = + 89.53
Below is an attachment containing the solution.
I would say C i'm not 100% sure
force=mass × acceleration
mass=force ÷ acceleration
acceleration=force ÷ mass
