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Factors Affecting Circular Motion

Autor:   •  March 26, 2017  •  Lab Report  •  880 Words (4 Pages)  •  728 Views

Page 1 of 4

Lab: Factors Affecting Circular Motion

Purpose: See in page

Hypothesis: See in page

Procedure:

  1. The rubber stopper was secured to a rope
  2. The rope was fed through the glass tube
  3. The length of rope was measured to 20cm
  4. The alligator clip was clipped 2cm below glass tube as indicator
  5. A steel washer was secured to bottom of rope
  6. The rubber stopper was swung and maintained a radius of 20cm
  7. The time for rubber stopper to achieve 10 cycles was recorded
  8. Steps 6 to 7 were repeated two times for two extra trials
  9. 2 steel washers were added to the bottom of the rope
  10. Steps 6 to 9 were repeated three more times
  11. The time for 10 cycles was averaged out

Observations: 

Number of Washers

Mass

(kg)

± 0.0003

Time for 10 rotations (s) ± 0.2

Frequency

( Hz )

Force

FT (N)

√Force

√F (√N)

Trial 1

Trial 2

Trial 3

Average

1

0.00713

8.1

8.0

8.1

8.0

1.25

0.07

0.26

3

0.02170

6.0

6.2

6.1

6.1

1.64

0.21

0.46

5

0.03660

5.6

5.9

5.7

5.71

1.75

0.36

0.60

7

0.05100

4.2

4.3

4.6

4.3

2.32

0.50

0.71

9

0.06600

3.9

4.1

4.1

4.0

2.50

0.65

0.81

Sample Calculations:

Force = mg

        For 1 Washer, (0.00713 kg  x 9.8 m/s2) = 0.07

Frequency = , where t is time for 10 rotations[pic 1]

...

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