A heavy box is pulled across a wooden floor with a rope. The rope forms an angle of 60 degrees with the floor. A tension of 80 N is maintained on the rope. What actually is
pulling the box across the floor?

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages