VOCABULARY
Across
- 3. resistance refers to forces which act on a solid object in the direction of the relative fluid flow velocity
- 6. influence that causes an object to undergo a certain change
- 7. force two forces acting on opposite directions on an object
- 8. friction when two objects are moving relative to each other and rub together
- 10. acceleration when the velocity is changing by a constant amount each second
- 11. friction force resisting the motion when rolling on the surface
- 12. a state in which an object has no actual weight
- 13. any object projected into space
- 15. friction when a solid object is moving through a liquid or gas it would be?
- 16. the product of the mass and velocity of an object
- 18. force when two forces acting on an object are not equal size
- 19. third law according to this law For every action there is an equal and opposite re-action
- 21. magnitude of its velocity
- 22. area of ground that tends evenly upward or downward
- 23. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
Down
- 1. the resistance of any physical object to any change in its motion
- 2. fall any motion of a body where its weight is the only force acting upon it.
- 4. any movement or change in position or time
- 5. force force that makes a body follow a curved path
- 9. rate at which the velocity of a body changes with time
- 14. velocity the velocity of the object when the sum of the drag force
- 17. friction two surfaces that slide together
- 20. friction friction between two or more solid objects that are not moving relative to each other