Across
- 2. a quantitative property that must be transferred to an object in order to perform work on, or to heat, the object
- 3. is the standard SI unit of electric charge.
- 4. A contact force that opposes the relative motion (or the attempt of motion) between two surfaces
- 5. primarily refers to the international unit of force
- 7. Any force that can be exerted on an object by another body without the two physically touching
Down
- 1. the use of materials or techniques to reduce the transfer of unwanted energy, such as heat, sound, or electricity, from one area to another
- 3. Any force that requires physical interaction—meaning two objects must be touching—to be exerted
- 6. fundamental subatomic particle with a negative electric charge.