Two piles of heavy boxes must be lifted onto a shelf. Each pile has 20 boxes and each box is the same size and weight. Tom and Claudia are each responsible for a pile. Tom lifts each box straight up from the pile to the shelf. Claudia places a long, gradual ramp that leads from the pile to the shelf. She pushes each box up the ramp until it rests on the shelf. Part A
Compare the amount of force each person used when raising the boxes. Who used more force?

Part B
Compare the distance each person moved each box. Who moved the boxes a longer distance?

Part C
The work done to raise the pile of boxes was the same for both Tom and Claudia. The two factors that affect the amount of work done are force and distance. Explain the trade-off (compromise) between force and distance that each person made in doing the work.

Read this passage from geoffrey lean’s “one poor harvest away from chaos”: on wednesday, the food and agriculture organisation (fao) reported that global food prices has hit a record high and were likely to go on rising. . that is bad enough for britain, adding to the inflationary pressures from the soaring cost of oil and other commodities, not to mention the vat increase. but for the world’s poor, who have to spend 80 percent of their income on food, it could be catastrophic. why is the passage an example of deductive reasoning? a. the author is appealing to the feelings and emotions of the audience b. the author starts with specifics, using them to probe a general point. c. the author is starting with a general topic and moving to more specific information d. the author is showing that he biased against poor people

What is the definition of listening style? a. your preferred method of listening b. the one correct method of listening c. the most effective way for you to listen d. none of the abovewhat is the definition of listening style? a. your preferred method of listening b. the one correct method of listening c. the most effective way for you to listen d. none of the above

What food does bottom want? a. nuts c. fruit b. hay d. milk