Newton's Laws of Motion
Across
- 2. The force of gravity between any two objects is the ___ force.
- 3. The force exerted by a machine is called the ___ force.
- 6. The force of gravity on a planet determines the ___ of an object.
- 11. The equation for ___ is W=Fd.
- 12. The act of changing position is known as ___.
- 14. ___ is found by dividing the change in the velocity of an object by the change in time.
- 15. The number of times a machine multiplies the effort force determines its mechanical ___.
- 19. ___ forces work against motion.
- 20. A force that is opposite in direction and equal in size (has a net-force of zero) is a ___ force.
- 21. The amount of matter in an object is called the ___ of an object.
- 23. The combination of all forced acting up on an object is referred to as the ___ ___.
Down
- 1. Newton's ___ Law of motion may also be called the Law of Inertia.
- 4. The unit used to measure force is called a ___.
- 5. The measure of speed in a given direction is ___.
- 7. When the force of air resistance becomes large enough to balance the force of gravity, it is then you reach ___ velocity.
- 8. Newton's ___ Law of motion is represented by the calculation F=ma.
- 9. The distance an object moves per unit of time is called the ___ of an object.
- 10. The action that changes the motion of an object is called the ___.
- 13. Newton's First Law demonstrates the law of ___.
- 16. The force applied to a simple machine is called the ___ force.
- 17. Machines that work with a single motion is known as a ___ machine.
- 18. A force that is not equal and opposite is referred to as an ___ force.
- 22. The unit used to measure work is called a ___.
- 24. Newton's ___ Law of motion may also be called the Law of action/reaction.