Across
- 3. When two colliding objects stick together, that collision is said to be an _________ collision.
- 6. The normal force is __________ to a supporting surface.
- 7. To make a stationary object rotate, or to change its rotational velocity, one should apply an external __________.
- 9. Tangential speed is also called _______ speed.
- 12. The ____________ force is the net upward force that a fluid exerts on an object submerged or immersed in it.
- 15. A moving object is said to have both momentum and ___________ energy.
- 17. The ________ force is equal in magnitude and opposite in direction to the action force.
- 21. An object in dynamic equilibrium must be moving with _________ velocity.
- 22. A _________ force is any force that causes an object to travel in a circular fashion and is always directed towards the center of rotation.
- 23. Rotational speed can also be referred to as ________ speed.
- 24. The force in a rope can be referred to as a ________ force.
- 26. An object is in __________ when it is moving under the influence of only gravity.
- 27. Speed is a ________ quantity.
- 29. The ___________ is the net result of the combination of two or more vectors.
Down
- 1. From the moment an object is tossed into the air and neglecting air resistance, its acceleration at all points is equal to that of ___________.
- 2. According to Archimedes’ Principle, an immersed object is buoyed up by a force equal to the weight of the _______ fluid.
- 4. A force that acts at right angles to the distance moved does no _________.
- 5. When an object thrown upwards reaches its peak, the magnitude of its velocity is instantaneously equal to ______.
- 8. True or False: The center of mass must lie somewhere on the object and above or below the base of support.
- 10. Newton’s Second Law states that the acceleration of an object can be expressed as the ____________ (two words) acting on it divided by its mass.
- 11. Every force is part of a ________ between one thing and another.
- 13. The center of gravity refers to the average position of _______ distribution of a body.
- 14. The property of an object to resist changes in its rotational state of motion is called ________ inertia.
- 16. A ______ force is an apparent outward force experienced by an object in a rotating frame of reference.
- 18. The unit for power is the __________.
- 19. The unit for work and energy is the _________.
- 20. The center of _______ is the average position of the distribution of matter within an object.
- 24. When a falling object is in free fall and air resistance IS a factor; then, as its acceleration is reduced to zero, we can say that the object has reached its __________ velocity.
- 25. The force per unit area that a liquid exerts on its container can also be called _________.
- 28. When air resistance is a factor, a falling feather will not gain _______ at the same rate as a falling hammer.