Videos of classroom physics demonstrations

1. Videos of classroom physics demonstrations F. Frising, P. Thiry and R. Sporken Department of Physics University of Namur (FUNDP) Rue de Bruxelles 61 B-5000 Namur Belgium

2. The « Foucault pendulum » w Click to play the video.

3. The « Foucault pendulum » w

4. The real Foucault pendulum T = 24 h / sinf f, the latitude Precession rate in Belgium = 1 degree in 5 minutes

5. Trajectories in rotating frames x Click to play the video. w, (T = 1s) w, (T = 1s)

6. Trajectories in rotating frames x w, (T = 1s) w, (T = 1s)

7. The map of the world

8. The gyroscope Click to play the video.

9. The gyroscope w = 14.4 s-1 I = 0.0191 kg m2 L = 0.275 kg m2 s -1 r = 0.053 m m = 0.150 kg Tp = 2pL/(mgr) = 22 s Tp exp = 26 s

10. x x The ring is falling down. The Maxwell wheel w, L, t = r x T The ring is climbing up. Click to play the video. w, L t = r x T

11. The Maxwell wheel : time measurement R = 0.0575 m r = 0.0028 m h = 0.76 m For a ring : texp = 7.7 s Click to play the video.

12. The Maxwell wheel : the ring and the disk Click to play the video.