A man and a forklift truck lift equal masses 10 feet vertically. Of the following statements, the correct one is: insufficient information is given to compare the work done by the man and the forklift the forklift does more work than the man they do the same amount of work the man does more work than the forklift

Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?