L02 Centripetal force PDF

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Summary

Centripetal force lab 2 notes and experiment for AMU phys133 course....

Description

Balancing Centr

Experiment Inventory Materials

Labware

Aluminum Tube

Tape Measure

(5) Washers

*Stopwatch/Timer

1 m Fishing Line

*Scissors *Permanent Marker You must provide item

EXPERIMENT 1: BALANCING CENTRIPETAL FORCE In this experiment, you will investigate how the magnitude of radius affects the time period of an object wit

PROCEDURE 1. Measure out and cut one meter of fishing line. 2. Tie a single metal washer around one end, and string the other end through the tube. Tie four washers at the other end in a group (Figure 6). 3. Measure 0.25 m from the single washer and use a permanent mark to mark this point on the line. 4. Hold the tube vertically at arm’s length to your side so that the washer near the mark is hanging from the top. 5. Hold a stopwatch in your other hand or get a willing participant to help you make time measurements. 6. Begin swinging the tube so that the top washer rotates in a circle. Increasing the speed of rotation (careful, not too fast!) should change the radius rotation. 7. Vary your speed until the mark you made on the line is at the top of the tube, making the radius of rotation 0.25 m.

Fig

Experiment Table 1: Rotational Data Radius (m)

Time per 15 Revolutions (s)

Period (s)

Expected Value

0.50

0.25

7.02 s

0.47

0.40

8.26 s

0.550

0.63

0.33

0.39

0.15

4.89 s

Per...