Across
- 2. The frictional force is the force that acting ___________ to the plane of the interface between objects.
- 4. If force is represented by an arrow, the length of the arrow represents the ______________of the force.
- 6. When you are walking, _____________ friction pushes in the direction of you are trying to move.
- 7. There will be a ____________ force of magnitude of mg exerted downward on all objects near the Earth.
- 8. The ______________force is the force that is always acting when object in contact.
- 10. Newton's first law states that an object in rest stays at rest and an object in motion stays in motion unless acted upon by what?
- 12. A rocket launching is an example of which of Newton's laws?
- 14. What is mass and acceleration used to calculate?
- 15. Newton’s third law states that forces must always occur in ____________.
- 16. What is the force exerted on the surface by another when there is no motion between the two?
- 19. What kind of force is the force going opposite of the action force?
- 22. Which law occurs when the car crashes, there is no unbalanced force acting on the person, so they continue forward.
- 24. Which law says that the acceleration of an object is dependent on the net force on the object and the object's mass?
- 25. Newton's first law is also known as the law of ____________
Down
- 1. Describes the pulling force transmitted axially by means of a string.
- 3. What unit is the force measured in?
- 5. What is it known as when two people push on opposite sides of an object with equal force?
- 9. Sliding (kinetic) friction is ___________ than static friction.
- 11. What is the rate of change of an object's velocity?
- 13. An object with smaller mass accelerates _____________ than an object with less mass.
- 17. What is the resulting force called when there are forces acting on an object?
- 18. What property of an object determines how much inertia it has?
- 20. Newton's third law states that for every action there is an equal and ____________ reaction.
- 21. Inertia is the resistance of any object to any change in it is state of______________.
- 23. You use __________ friction when you leave marks on paper with a pencil “lead.”
