What is a system of knowledge and the methods used to find that knowledge

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good