Download
01 the overall force on an object after all the forces are added together is called the force n.
Skip this Video
Loading SlideShow in 5 Seconds..
NET PowerPoint Presentation

NET

128 Vues Download Presentation
Télécharger la présentation

NET

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. 01. The overall force on an object after all the forces are added together is called the ___ force.

  2. NET

  3. 02. Unbalanced forces acting on an object produce ___ motion.

  4. ACCELERATED

  5. 03. A measure of an object’s mass is a measure of the object’s ___.

  6. INERTIA

  7. 04. One ___ is the force required to accelerate 1 kilogram of mass at 1 meter per second per second.

  8. NEWTON

  9. 05. A person traveling in a car that stops suddenly keeps moving forward because of ___.

  10. INERTIA

  11. 06. Friction acts in a direction ___ to an object’s direction of motion.

  12. OPPOSITE

  13. 07. Wet pavement is more slippery than dry pavement because the force needed to overcome ___ friction is less than the force needed to overcome sliding friction.

  14. FLUID

  15. 08. The downward force acting on an object in free fall is the force of ___.

  16. GRAVITY

  17. 09. A(n) ___ is an object that is thrown.

  18. PROJECTILE

  19. 10. When ___ equals the force of gravity on a falling object, the object reaches terminal velocity.

  20. AIR RESISTANCE

  21. 11. The metric unit that is most often used to describe weight is the ___.

  22. NEWTON

  23. 12. The force of gravity between you and Earth is greater than the force of gravity between you and a car because Earth has more ___ than the car.

  24. MASS

  25. 13. As the distance between two objects decreases, the gravitational force between them ___.

  26. INCREASES

  27. 14. According to Newton’s third law of motion, the strength of a reaction force is ___ the strength of the action force.

  28. EQUAL TO

  29. 15. If the action force of a bat striking a ball accelerates the ball in one direction, the reaction force accelerates the bat in the ___ direction.

  30. OPPOSITE

  31. 16. The momentum of an object is in the same ___ as its velocity.

  32. DIRECTION

  33. 17. The momentum of a skate boarder is not conserved because ___ acts on the wheels.

  34. FRICTION

  35. 18. During lift-off, the thrust on a rocket is directed ___.

  36. UPWARD

  37. 19. The moon is a natural ___ of Earth.

  38. SATELLITE

  39. 20. The force of gravity is responsible for continuously changing the ___ in which a satellite moves.

  40. DIRECTION

  41. 21. In physical science, a push or a pull is called a(n) ___.

  42. FORCE

  43. 22. When two equal forces act on the same object in opposite directions, the net force is ___.

  44. ZERO

  45. 23. When two forces act in the same direction, they ___.

  46. COMBINE

  47. 24. ___ is the tendency of an object to resist any change in its motion.

  48. INERTIA

  49. 25. The amount of matter in an object is called its ___.

  50. MASS