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Across 3. acceleration of a body is directly proportional to the net force and inversely proportional to its________ 4. __________. Can also be found by find the area under F-t graph 6. Name of the scientist who discovered gravity 9. A term referring to all the water on or near Earth's surface 11. Derivative of velocity with respect to time 12. Merry_______________ and stay out of trouble. See you next year! 14. __________of linear momentum. Total linear momentum remains the same in absence of external forces. 16. Obama's father was from the Nyanza Province in which country 18. fall of a body such that the only force acting upon it is that of gravity 20. the tendency of an object to remain in motion or at rest 21. ____ Force.The total unbalanced force that produces acceleration 22. _____ Force. The the force that stops you from falling through the floor 23. a quantity possessing both magnitude and direction 24. Formular for the gravitational force that pulls a body down an incline

Down 1. Wetland characterized by grasses and herbs 2. The process of taking a derivative 5. The derivative of a function is negative when the function is ______ 7. a population of organisms that are more or less alike 8. the study of the physical nature and history of the earth 10. force that resist the relative motion of objects in contact 13. collision where objects become distorted or generate heat during the collision 15. Inventor of the 3 laws of motion 17. Increases the stopping contact time during an automobile's crash 18. animal life of a given area 19. A measure of an object’s inertia or amount of matter in an object. 22. the role played by an organism in a biological community 23. abbrev. for the college Mr M. went to