Physics

3563 topics in this forum

1. What should be the acceleration when a object is pushed by hand ?

   By Zirok, June 12, 2010
   • 7 replies
   • 1.5k views
   • 
   • Zirok
   • June 13, 2010

2. What would happen if a black hole swallowed an anti-matter black hole? 1 2

   By padren, October 5, 2009
   • 29 replies
   • 7.6k views
   • 
   • PaulS1950
   • June 10, 2010

3. Centripetal force- Car making a turn

   By scilearner, June 6, 2010
   • 6 replies
   • 13.9k views
   • 
   • scilearner
   • June 8, 2010

4. Very quick question about lift and apparent weight?

   By scilearner, June 8, 2010
   • 1 reply
   • 739 views
   • 
   • swansont
   • June 8, 2010

5. Light refraction

   By Kateryna, June 7, 2010
   • 1 reply
   • 1.3k views
   • 
   • John Cuthber
   • June 7, 2010

6. torque in a DC motor

   By CPL.Luke, May 18, 2006
   • 5 replies
   • 2.6k views
   • 
   • TonyMcC
   • June 7, 2010

7. Why does ice have no friction?

   By scilearner, June 6, 2010
   • 5 replies
   • 22.8k views
   • 
   • JamesNBarnes
   • June 6, 2010

8. Moon Elevator vs Space Elevator

   By icarus2, May 30, 2010
   • 7 replies
   • 2.9k views
   • 
   • mulreay
   • June 3, 2010

9. electron sliding between two objects

   By Genecks, June 2, 2010
   • 1 reply
   • 1.1k views
   • 
   • Kyrisch
   • June 3, 2010

10. Where is the tension of the string coming from?

    By scilearner, May 29, 2010
    • 6 replies
    • 2.6k views
    • 
    • Physicsfan
    • June 2, 2010

11. Electron microscopy

    By eva, May 27, 2010
    • 3 replies
    • 1.1k views
    • 
    • eva
    • May 31, 2010

12. Value of the Watt / Watt Hour from BTUs - Please Verify

    By WD, May 30, 2010
    • 3 replies
    • 8.5k views
    • 
    • swansont
    • May 31, 2010

13. Very quick question about elastic potential energy?

    By scilearner, May 30, 2010
    • 4 replies
    • 1k views
    • 
    • scilearner
    • May 30, 2010

14. Can there be a smallest particle?

    By sr.vinay, May 19, 2010
    • 10 replies
    • 2.3k views
    • 
    • the tree
    • May 29, 2010

15. Conductivity

    By 1123581321, May 26, 2010
    • 2 replies
    • 871 views
    • 
    • Newbies_Kid
    • May 29, 2010

16. Does displacement current produce magnetic field?

    By liuxiaod, May 28, 2010
    • 0 replies
    • 893 views
    • 
    • liuxiaod
    • May 28, 2010

17. Quick question about an object hanging from a string?

    By scilearner, May 27, 2010
    • 0 replies
    • 788 views
    • 
    • scilearner
    • May 27, 2010

18. Conductivity-2

    By 1123581321, May 27, 2010
    • 1 reply
    • 709 views
    • 
    • insane_alien
    • May 27, 2010

19. Easy question about a spring

    By scilearner, May 26, 2010
    • 18 replies
    • 1.9k views
    • 
    • scilearner
    • May 27, 2010

20. Why does energy behave the way it does?

    By scilearner, May 25, 2010
    • 10 replies
    • 1.9k views
    • 
    • swansont
    • May 26, 2010

21. Conservation of momentum and energy question

    By scilearner, May 26, 2010
    • 2 replies
    • 849 views
    • 
    • swansont
    • May 26, 2010

22. Polywell fusion reactors

    By bascule, May 25, 2010
    • 1 reply
    • 997 views
    • 
    • Moontanman
    • May 26, 2010

23. deviation of light in a lens.

    By Physicsfan, May 24, 2010
    • 7 replies
    • 4.1k views
    • 
    • swansont
    • May 25, 2010

24. Why do forces make an object move?

    By scilearner, May 25, 2010
    • 3 replies
    • 1.8k views
    • 
    • swansont
    • May 25, 2010

25. Does aluminum foil block x-rays?

    By greree, June 2, 2009
    • 10 replies
    • 132.3k views
    • 
    • uranium238
    • May 25, 2010