Forces-Chapter 3

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Across
  1. 5. A push or pull on an object
  2. 7. ______force is the support force exerted on an object that touches another stable object.
  3. 8. When you wash your hands, soap acts as a lubricant and ____ friction.
  4. 9. Forces acting on an object that combine and form a net force that is not zero are called ___forces.
  5. 11. A 1600's English scientist and mathematician that developed the law of universal gravitation.
  6. 12. ____ friction is the resistance in motion of surfaces sliding past each other.
  7. 13. A___force is a push or a pull on one object by another object that is touching it.
  8. 16. A contact force that resists the sliding motion of two surfaces that are touching.
  9. 17. The force exerted by magnetics when they repel or attract one another.
  10. 18. Imagine u r pushing on a very large box. Even though u r pushing it, it does not move. This is because your applied force is balanced by ____friction.
Down
  1. 1. A magnetic force does not make a compass point north.
  2. 2. The law of universal gravitation states that all objects are attracted to each other by a gravitational force.
  3. 3. The combination of all the forces acting on an object is the ___force.
  4. 4. Forces acting on an object that combine and form a net force of zero are called ___forces.
  5. 5. ____ friction is the friction between a surface and a fluid.
  6. 6. A___force in which one object directly pushes on another object
  7. 10. A force that one object can apply to another object without touching it.
  8. 14. When an object, such as a nail comes close to a magnet, the nail becomes a ____magnet.
  9. 15. An attractive force that exists between all objects that have mass.