Across
- 1. In the gravity formula, how does the force change if one of the masses doubles?
- 6. Change in energy or work, divided by time
- 9. _____ is when a current is placed in a magnetic field, experiencing a force (two words)
- 12. When a magnetic material is close to a magnet, it becomes a magnet itself (two words)
- 17. What will impact the amount of air resistance?
- 18. What is free fall, but generally with a horizontal component? (two words)
- 20. Is static or kinetic friction stronger?
- 21. Rate at which charge moves through a material (I)
- 22. In a(n) ________ current, the direction of the particles moves back and forth
- 26. ____ velocity occurs when the force of gravity is equal to the force of air resistance
- 29. at maximum height velocity is ________
- 32. ____ due to gravity is 9.8m/s^2
- 34. Fossil fuels are considered _______ energy
- 37. What variable connects the x and y directions in projectile motion?
- 39. The shape of the path of the projectile in projectile motion
- 41. In most situations, ¬¬¬¬_______ cannot be created or destroyed
Down
- 2. What angle is best for an object to reach the greatest maximum height? (two words)
- 3. This kind of friction occurs when objects are in contact and have relative motion (sliding)
- 4. In what direction does the direction of a magnetic field point?
- 5. As the number of branches in a parallel circuit increase, the resistance of the circuit ¬¬-_____
- 7. Normal force is ______ to the surface
- 8. In what shape do the planets orbit around the sun?
- 10. Work causes a ¬¬¬¬_____ in energy
- 11. Name an example of a conservative force
- 13. What does one use to move from position to velocity in a velocity-time graph?
- 14. What energy source is best for the environment?
- 15. Displacement is never larger than _______
- 16. What is a quantity with a magnitude and direction?
- 19. What kind of forces convert mechanical energy into different forms?
- 23. Opposite charges ¬¬¬¬_____
- 24. Which of Newton’s laws state that an object in motion stays in motion unless acted upon by an outside force?
- 25. What kind of circuit breaks into separate pathways for each device?
- 26. True or false: the resistance in a series circuit is equal to the sum of the resistance of each device
- 27. Motion in which the only force is the force of gravity
- 28. What is one way to generate thermal energy?
- 30. What does the variable k represent? (two words)
- 31. ____ force is the inward force required to keep an object moving in a circular path
- 33. What variable represents the static coefficient of friction?
- 34. What is the charge of an electron?
- 35. What is the unit of power?
- 36. True or false: different voltage is applied at each device in a parallel circuit
- 38. The change in kinetic energy is ____ to the work done on an object
- 40. What is the unit of resistance?