Across
- 2. with out air resistance, would we be effected in out everyday lives?
- 3. the acceleration of ________ is 10m/s^2.
- 5. to calculate the distance of a free falling object you times half the acceleration (gravity) times time __________.
- 6. the only time a feather and a stone will fall at the same time is in a _______ due to air resistance.
- 9. to calculate _________ you divide the change in speed by the time interval.
- 11. when an objects initial speed is 0, the acceleration is _______.
- 12. 2nd Law Which one of Newtons 3 laws does free fall and air resistance relate to?
- 13. will a feather or a coin reach terminal velocity faster?
- 15. when a cotton ball and an elephant are in free fall, does the elephant have a greater force of gravity acting on it?
- 16. if a sled is accelerating at a rate of 2 m/s^2 and the net force is tripled and the mass is doubled, then what is the new acceleration of the sled? _____ m/s^2
- 17. when the force of air resistance on a falling object is equal to the object's weight, what will be the acceleration of the object be?
Down
- 1. free falling objects are used to describe the relationship between _________ traveled, acceleration, and velocity required.
- 4. planes and birds could not fly with out air ______
- 7. on Jupiter the force of gravity is different than on earth but the _____ is not, changing planets would change the acceleration of free falling objects.
- 8. air resistance ______ the acceleration of a falling object.
- 10. once terminal velocity is reached, an object in free fall will _______ accelerating.
- 13. true or false, if an elephant and a feather are falling and encounter the same amount of air resistance, the elephant will have a greater terminal velocity.
- 14. determine the accelerations that result when a 12-N net force is applied to a 3-kg object and then to a 6-kg object. _____ m/s^2
- 16. to calculate the velocity of a free falling object you multiply acceleration times _______.