This air track experiment apparatus is designed based on the Air Cushion principles. When an air track is connected with an air blower, compressed air is sprayed from the holes on the surface and form a thin air layer. This air layer will fill the space between the air track and the inner surface of a glider. As a result, the movement of the glider can be regarded as friction-free movement. With the help of an air blower and a digital timer, the air track can be used to experimentally study important physics concepts such as velocity, acceleration, momentum, collision, and kinetic. It is an ideal experiment instrument for physics teaching.
Using this apparatus, the following experiments can be conducted:
1. Determine the velocity of an object in uniform rectilinear motion, and verify Newton’s First Law
2. Determine the average velocity and instantaneous velocity of an object in variable rectilinear motion
3. Determine the acceleration of an object in uniform acceleration rectilinear motion
4. Study the relationship between distance and time of an object in uniform acceleration rectilinear motion
5. Determine the gravitational acceleration
6. Verify Newton’s Second Law
7. Verify Newton’s Third Law
8. Verify kinetic energy theorem
9. Verify momentum theorem
10. Verify momentum conservation law
11. Verify mechanical energy conservation law
12. Study simple harmonic vibration
13. Measure the stiffness coefficient of a spring
14. Measure the period of simple harmonic vibration
15. Verify the amplitude of an object in simple harmonic vibration is irrelevant with the period
16. Demonstrate elastic collisions of objects on air track
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