C. Magnetic and Electric Forces 1. There are two kinds of charges - positive and negative. Like charges repel one another, opposite charges attract. In materials, there are almost exactly equal proportions of positive and negative charges, making the materials as a whole electrically neutral. D. Pressure 1.
Pressure is dependent on the weight of fluid on an object.
The use of energy and its products affect the lives of all peoples of the world. Different ways of obtaining, transforming, and distributing energy have different environmental consequences. Energy transformations occur at both micro- and macro levels. Energy in the form of heat is almost always one of the products of an energy transformation. Use an existing example or design a system or device that involves several energy transformation, labeling each form of energy represented.