3. A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 2. 00 m and the distance from the fulcrum to the load is 0. 500 m. A graph of resistance force vs. Effort force is shown. What is the mechanical advantage of the lever? what is the ideal mechanical advantage of the lever? what is the efficiency of the lever? show your work.

Of the 168 hours in a week as a full time student you should spend how many hours per week on school work?

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

What is the least amount of money a student will receive when participating in work study ? a. $10 an hour b. federal maximum wage c. federal minimum wage d. $6 an hour