Physics Definitions 4.0 / 5 based on 3 ratings ? PhysicsInternational BaccalaureateOther Created by: ADAMCreated on: 18-04-13 10:05 83610127945 Across 1. The force per unit area. (8) 4. When a wave's amplitude decreases over time. (7) 5. The work done in moving a unit point charge from infinity to a point in an electric field. (8, 9) 8. The rate of change of momentum is proportional to the applied force. (7, 6, 3) 9. The reflectivity of the Earth. (6) 10. A scalar quantity, describing how fast something is moving. (5) Down 2. The state in which the frequency of an externally applied force equals the natural frequency of the system. (9) 3. An object remains in a state of rest or constant acceleration unless acted on by a resultant force. (7, 5, 3) 6. The potential difference across a component is proportional to the current passing through it. (4, 3) 7. The ratio of the power supplied by a power source to the current passing through it. (3)
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