Gravity and Friction

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Across
  1. 1. ___ friction is when solid surfaces slide over each other.
  2. 4. A force that happens when two surfaces slide past one another.
  3. 7. The force of friction eventually cause an object to ___.
  4. 8. ___ friction is when an object rolls over a surface.
  5. 10. The force of gravity can cause an object to ___ down a hill.
  6. 11. The force needed to overcome rolling friction is much ___ than the force needed to overcome sliding friction.
Down
  1. 1. Gravity and friction can affect the ___ and direction of an object.
  2. 2. A force that pulls objects towards each other
  3. 3. Gravity and friction both change the ___ of objects.
  4. 5. The ___ of a surface will influence the total amount of friction.
  5. 6. Friction acts in a direction ___ to the object's direction of motion.
  6. 9. Friction depends on the ___ between two objects.