Physics Terms
Across
- 1. a parameter that is a measure of a spring resistance to being compressed or stretched
- 4. a reasonable explanation for observations, one that can be tested
- 8. the force that opposes the movement of two surfaces that are in contact and sliding over each other
- 10. the tendency of an object to resist being moved
- 12. a pattern, plan, designed to show the structure of an system, concept, or object
- 13. a description of how close a measurement is to the contact of the quantity ,measured
- 15. a physical quantity that has magnitude but no direction
- 16. an experiment that tests only one factor at a time by using comparison of a control group with an explanation group
- 17. is a change in position
- 18. the energy associated with an object because of the position of the object
- 21. the product of the component of a force along the direction of displacement and the magnitude of the displacement
- 22. the ratio of the magnitude of the force of friction b/t two objects in contact to the magnitude of the normal force
- 24. horizontal and vertical parts that add up to give tourist's actual displacement
- 27. the energy available for use which is deformed elastic object returns to its original configuration
- 33. a set particle components considered to be a distinct physical entity for the purpose of study
- 35. a physical quantity that has both magnitude and direction
- 36. motion of a body when only the force due to gravity is acting on the4 body
- 38. ability of a force to rotate an object around some axis measured by a quantity
- 40. the sum of kinetic energy and all forms of potential energy
- 41. the standard measurement system for science
- 42. the perpendicular distance from the axis of rotation to a line drawn along the direction of the force
- 43. the energy of an object that is due to the object's motion
- 45. the product of the force and the time over which the force acts on an object
- 46. SI unit of force
- 48. path of a projectile is curved
- 49. who created the three laws that described the motion of the planets
Down
- 2. the velocity of an object at some instant or specific point in the object's path
- 3. that state in which the net force on an object is zero
- 5. the degree of exactness of a measurement
- 6. the net work done by all the forces acting in an object is equals to the change in the objects kinetic energy
- 7. a quantity defined as the product of the mass and the velocity of an object
- 9. is a measure of inertia
- 11. the acceleration directed toward the center of a circular path
- 14. curved path that an object follows when thrown
- 16. directed towards the center of a circular path
- 19. the quantity that describes the rate of change of velocity in a given time interval
- 20. mutual force of attraction between particles of matter
- 23. depends on initial velocity, acceleration, and displacement
- 25. a measure of the gravitational force exerted on an object
- 26. a vector that represents the sum of two or more vectors
- 28. the digits in a measurement that are known wit certainty plus the first digit that is uncertain
- 29. collision a collision in which two objects stick together after colliding
- 30. a force that acts on a surface in a direction perpendicular to the surface
- 31. the total displacement divided by the time interval during which the displacement occurred
- 32. energy the potential energy stored in the gravitational fields of interacting bonds'
- 34. the force that resists the initiation of sliding motion b/t two surfaces that are in contact and at rest
- 37. a system for specifying the precise location of objects in space and time
- 39. describe relationships
- 44. a single force whose external effects on a rigid body are the same as the effects of several actual forces on the body
- 47. a quantity that measures the rate at which work is done