Physics Research laboratory

 Physics Research laboratory Essay

Patel Nil

Period several

05/09/13

Stationary and Kinetic Friction

Targets: -

* Use a Dual-Range Push Sensor to measure the pressure of static friction. * Determine the relationship between push of stationary friction and the weight of the object. 2. Measure the rapport of static and kinetic friction for a block and track. * Use a Movement Detector to independently measure the coefficient of kinetic chaffing and review it for the previously scored value. 5. Determine if the coefficient of kinetic scrubbing depends on pounds. Materials: --

* Computer - Chain

* Vernier computer interface- Block of wood with hook * Logger Pro- Balance or scale

2. Vernier Movement Detector- mass set

2. Vernier Power Sensor

Data Table: -

Part I actually Starting Rubbing

Mass of block|. 0835kg

Part 2 Peak Static Friction and Kinetic Friction

Total mass (m)| NormalForce(N)| Peak static friction | Average top static friction(N)| | | Trial 1| Trial 2| Trial 3|

. 0835kg|. 82N|. 59|. 50|. 53|. 54N

. 3335kg| 3. 3N| 1 . 7| 1 . 26| 1 . 42| 1 . 46N

. 5835kg| a few. 7N| installment payments on your 19| 2 . 91| 2 . 45| 2 . 516N

. 8335kg| 8. 2N| 4. 1| 3. 34| 3. 78| 3. 74N

1 . 0835kg| 10. 63N| 5. 14| 3. 94| 4. 06| 4. 38N

Total mass(m)| Normal force (N)| Kinetic friction| Average kinetic friction(N)| | | Trial 1| Trial 2| Trial 3|

. 0835kg|. 82N|. 238|. 26|. 249|. 249N

. 3335kg| 3. 3N| 1 . 02| 1 . 04|. 92|. 993N

. 5835kg| a few. 7N| 1 . 8| 1 ) 7| 1 . 71| 1 . 736N

. 8335kg| 8. 2N| 2 . 12| 2 . 3| 2 . 45| 2 . 29N

1 . 0835kg| 10. 63N| 2 . 83| 2 . 7| 3. 005| 2 . 845N

Part III Kinetic Rubbing

Data: Block with no additional mass

Trial| Acceleration (m/s2)| Kinetic chaffing force (N)| Вµk| 1| 2 . 857m/s2|. 5805N|. 2913

2| 2 . 963m/s2|. 6021N|. 3021

3| 2 . 638m/s2|. 5360N|. 2689

4| 2 . 759m/s2|. 5606N|. 2813

5| 2 . 635m/s2|. 5354N|. 2779

Average...

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