Across
- 3. measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.
- 6. the quantity of matter in a body regardless of its volume or of any forces acting on it.
- 8. Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.
- 9. a scalar quantity, is the rate at which an object covers distance.
- 13. ircular motion can be described as the motion of an object in a circle at a constant speed.
- 15. the study of motion distance, velocity, speed and mass expressed as quantities
- 17. is a scalar quantity that refers to "how much ground an object has covered" during its motion.
- 19. is the branch of classical mechanics that is concerned with the relationship between motion and its causes, specifically, forces and torques.
- 24. is the change of momentum of an object when the object is acted upon by a force for an interval of time.
- 25. is the opposite of acceleration.
- 27. speed of an object is defined as the distance traveled divided by the time elapsed.
- 28. quantity that is unknown but assumed to have a fixed value in a specified mathematical context.
- 32. sometimes refers to electromagnetic radiation of any wavelength, whether visible or not. In this sense, gamma rays, X-rays, microwaves and radio waves
- 33. a metric unit of measurement equal to 1,000 meters
- 34. is a subdiscipline of chemistry and physics that investigates physicochemical phenomena using techniques from atomic and molecular physics and condensed matter physics
- 35. make or become different.
- 37. is the velocity of the object before acceleration causes a change.
- 39. is a physics term; it refers to the quantity of motion that an object has.
- 41. something that causes a change in the motion of an object.
- 43. a charged object is brought near but not touched to a neutral conducting object.
- 44. he action of measuring something.
- 45. is a characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons.
- 47. is the International System of Units (SI) unit of displacement or length.
- 48. on Earth all bodies have a weight, or downward force of gravity, proportional to their mass
- 49. is a systematized body of knowledge based on nature and facts of life
- 50. are standards for measurement of physical quantities that need clear definitions to be useful.
Down
- 1. is also equivalent to one watt-second.
- 2. is a unit of energy equivalent to one watt
- 4. what a clock reads
- 5. are quantities that are fully described by both a magnitude and a direction.
- 7. The unit of time
- 10. is the branch of applied mathematics (specifically classical mechanics) concerned with the study of forces and torques and their effect on motion,
- 11. is a circular movement of an object around a center
- 12. the branch of science concerned with the nature and properties of matter and energy.
- 14. represent energy per unit time.
- 16. An object moving downward within the gravitational field would lose gravitational potential energy.
- 18. is the rate of change of velocity of an object with respect to time.
- 20. that can be measured, thus a physical property that can be quantified.
- 21. is a form of energy that can be transferred from one object to another or even created at the expense of the loss of other forms of energy.
- 22. is a scalar quantity that refers to "how much ground an object has covered" during its motion.
- 23. are quantities that are fully described by a magnitude
- 26. is the branch of Physics dealing with the study of motion
- 29. is the motion by which a body shifts from one point in space to another.
- 30. the rate of doing work, the amount of energy transferred per unit time. Having no direction, it is a scalar quantity.
- 31. is a physical vector quantity; both magnitude and direction are needed to define it.
- 36. is the combined study of thermodynamics, statistical mechanics, and kinetic theory.
- 38. periodic back-and-forth motion of the particles of an elastic body or medium
- 39. is a substance that has inertia and occupies physical space.
- 40. is a change in position of an object over time.
- 42. 60 seconds
- 46. It is a form of energy that can travel through space.