Which action is most likely to increase the ME of the pulley system shown, and why?
O A. Lengthen the ropes, because this would increase the distance over
which input force can be applied to the pulley.
O B. Replace the ropes with thick cables, because this would increase
friction that produces non-useful output work.
C. Shorten the ropes, because this would decrease the distance over
which the pulley can apply output force.
O D. Replace the wooden parts with plastic parts, because this would
decrease friction that produces non-useful output work.

Jeff's response to justin assumes that justin is following which maxim? justin: hey, jeff! jeff: yeah? justin: get ready for the news of the day! jeff: okay. justin: i got that job i was after! jeff: wow! that's great! justin: ! starts right now! later!

What are the similarities of physical and chemical change ?

Araby every morning i lay on the floor in the front parlour watching her door. the blind was pulled down to within an inch of the sash so that i could not be seen. when she came out on the doorstep my heart leaped. i ran to the hall, seized my books and followed her. i kept her brown figure always in my eye and, when we came near the point at which our ways diverged, i quickened my pace and passed her. this happened morning after morning. i had never spoken to her, except for a few casual words, and yet her name was like a summons to all my foolish blood. what is the general tone of the passage? a. courageous b. comical c. passionate d. fearful