Across
- 2. a substance or mixture that flows and has no shape of its own
- 6. a push or pull that acts on an object
- 7. a force associated with charged particles
- 9. the product of an object's mass and velocity
- 10. an attractive force that acts between two objects
- 11. force the overall force acting on an object after all the forces are combined
- 14. a friction force that opposes the motion of an object as it slides over a surface
- 16. a friction force that acts on rolling objects, caused by the change in shape at the point of rolling contact
- 18. the tendency of an object to resist a change in its motion
Down
- 1. the curved path of an object in free fall after it is given an initial forward velocity
- 3. a force that opposes the motion of objects that touch as they move past each other
- 4. the constant velocity of a falling object when the force of air resistance equals the force of gravity
- 5. the SI unit for force
- 8. a force that continuously changes the direction of an object to make it move in a circle
- 12. resistance fluid friction acting on an object moving through the air
- 13. the force of gravity acting on an object
- 14. a friction force that acts on objects that are not moving
- 15. the attraction between any two objects because of their masses
- 17. the amount of matter in an object