To check level conditions over a significant distance, such as a building foundation or longer See pic

The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.

Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.

What is a monomer? how do they form a ploymer from the view point of chemical bonding?