Aforklift lifts 5 boxes from the ground to a height of 2 meters (m). the boxes push down with a force of 1000 newtons (n). how much work was done by the forklift to lift the boxes?

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.