大象传媒

Science in Action Physical Processes Clips

1. The force, pressure and surface area of stinging nettles

   Duration: 02:07

2. Why do you feel lighter in water?

   Duration: 00:46

3. Resistance of different materials

   Duration: 01:11

4. The relationship between force, pressure and surface area

   Duration: 02:51

5. A three dimensional magnetic field

   Duration: 01:52

6. How to calculate average speed

   Duration: 01:36

7. Upthrust

   Duration: 01:34

8. Voltage and current needed to power Blackpool Illuminations

   Duration: 03:14

9. How do current and energy differ?

   Duration: 01:21

10. Aerodynamics - reducing air resistance

    Duration: 03:31

11. How to reduce friction on ice

    Duration: 02:24

12. Free fall in a lift

    Duration: 00:54

13. Strong magnets

    Duration: 01:59

14. Pressure exerted by different shoes

    Duration: 01:19

15. Equal forces

    Duration: 00:36

16. Using pressure, force and surface area to test the sharpness of a knife

    Duration: 02:21

17. When upthrust equals weight

    Duration: 03:43

18. Helium balloons

    Duration: 00:53

19. How different surfaces affect the frictional force

    Duration: 02:37

20. Using balanced forces to design comfortable chairs

    Duration: 04:17

21. Laws of magnetism

    Duration: 01:14

22. Acceleration and force

    Duration: 01:18

23. Why trainers grip well

    Duration: 01:32

24. Magnetism and aviation

    Duration: 02:47