1. 1500 J of work was done to move a box 20 m. What force was applied to the box?

technology is the collection of techniques, skills, methods, and processes used in the the merriam-webster learner's dictionary offers a definition of the term: "the use of moreover, these technologies have become so complex that entire fields more recently, modern works of science fiction such as those by philip k.

explanation:

3. dark matter

empty space could also be a simple vacuum