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37 Matching questions

  1. mechanical energy
  2. remains constant
  3. positive, stop
  4. True
  5. opposite
  6. inertia
  7. KE= 1/2mv^2
  8. energy
  9. False
  10. potential energy
  11. Negative
  12. elastic force
  13. vector
  14. work-energy theorem
  15. locations, path
  16. impulse
  17. friction
  18. law of conservation of mechanical energy
  19. momentum
  20. velocity change
  21. constant
  22. kinetic, potential
  23. gravitational force and elastic force
  24. dissipative force
  25. negative, stopped
  26. masses
  27. gravitational
  28. law of conservation of momentum
  29. nonconservative force
  30. F=-kx
  31. PE
  32. elastic collision
  33. conservative force
  34. law of conservation of energy
  35. kinetic energy
  36. Positive
  37. isolated, uniform
  1. a abbreviation for potential energy
  2. b term for an internal restorative force
  3. c True or False: Inertia conserves velocity in a system of objects.
  4. d True or False: Energy is conserved even where a nonconservative force like friction is operating.
  5. e A negative sign indicates that the force is ____ to motion.
  6. f the kinetic energy equation
  7. g an example of a nonconservative force
  8. h When the net force acting on a system is zero, the momentum of the whole system _____ _____.
  9. i term for a force that causes an interacting system to lose energy in the form of heat which is absorbed by the environment
  10. j Newton's second law says that force is equal to the time rate of change in _____.
  11. k law that says that energy can be transformed from one kind to another but cannot be created or destroyed
  12. l term for the energy an object acquires when it is exposed to a force
  13. m law that states that the total mechanical energy of a system is constant
  14. n Kinetic energy is equal to the _____ work that one object can do on another while coming to a ____.
  15. o term for the equation describing the relationship between work and energy
  16. p _______ work is done when a force is applied in the direction opposite to motion.
  17. q Kinetic energy is equal in magnitude to the _____ work required for one object to be _____ by another.
  18. r term for the capacity to do work
  19. s If two objects are to be accelerated to the same velocity in the same time, the required force depends on their ____.
  20. t term for energy due to movement and position
  21. u term for a force whose energy change varies according to the length of its path
  22. v law which states that when the net force acting on a system is zero, the momentum of the whole system remains constant
  23. w _______ work is done when a force is applied in the direction of motion.
  24. x term for a collision in which energy of motion may be transferred from one object to another, but remains energy of motion
  25. y An object in the vicinity of the earth has ______ potential energy as a result of being under the influence of gravity.
  26. z equation for Hooke's law
  27. aa The work done in moving an object restrained by a conservative force depends only on the initial and final _______ of the object; the work does not depend on the ____ taken.
  28. ab In a system where the motions of individual bodies are governed solely by a conservative force, the total kinetic and potential energy of the system is _____.
  29. ac term for a force that undergoes the same energy change regardless of its path
  30. ad Newton's first law states that any material object has ____.
  31. ae two examples of a conservative force
  32. af Is momentum a vector quantity or a scalar quantity?
  33. ag The kinetic energy equation assumes that the object is ____ and has undergone _____ acceleration from rest.
  34. ah The longer a constant force is applied to an object of constant mass, the greater the ____ ____.
  35. ai term for energy of motion
  36. aj term for a vector in the same direction as the applied force; found by multiplying force by time
  37. ak As a ball is thrown up into the air, its ____ energy is converted to ____ energy.