Across
- 4. always exists between two masses
- 5. sum of all forces acting on an object
- 7. a diagram used to visualize forces acting on an object
- 8. force applied in one direction is greater than the opposing force
- 11. force acting along a rope or cable
- 16. an object moving in a circular path at a constant speed is called ________ motion
- 18. a force that opposes motion which occurs between air and another object
- 19. force that is applied to an object by another object
- 20. newton's law that says for every action there is an equal and opposite reaction
Down
- 1. when force is felt but does not make contact with the object is called ______ force
- 2. two forces of same strength act in opposite directions
- 3. force that acts between moving surfaces is called ________ friction
- 6. support force that opposes gravity
- 9. when force directly touches the object is called ______ force
- 10. force of gravity is also called the "_____ of an object"
- 12. the idea that an object will continue its current motion until acted on by an outside force
- 13. newton's law that state's the acceleration of an object is directly proportional to the net external force acting on an object and inversely proportional to the objects mass
- 14. the force that attracts an object towards the center of the earth
- 15. newton's law that deals with inertia
- 17. force that keeps an object at rest is called _______ friction