Lab6_Centripetal_Force mccoy,kaylin

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Apr 3, 2024

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PHY 101 Lab 6: Centripetal Force Kaylin McCoy Data Table 1 Trial Washers Mass of Bag with Washers (kg) Mass of Bobber Radius (m) Circumference (m) Time of 30 Revolutions (s) Time of 1 Period (t) Velocity (m/s) Velocity 2 (m 2 /s 2 ) Centripetal Force (kg m/s 2 ) Weight of Cylinder with Washers Percent Difference 1 1 0.026 kg 11.3 g 0.3 m 1.9 m 25.33 s 0.84 t 0.03 m/s 2.3 m^2/s^ 2 57.12(kg m/s2) 0.25 1.2% 2 2 0.051 kg 11.3 g 0.3 m 1.9 m 15.28 s 0.51 t 0.1 m/s 3.73 m^2/s^ 2 72.75(kg m/s2) 0.5 0.43% 3 3 0.075 kg 11.3 g 0.3 m 1.9 m 12.1 s 0.4 t 0.19 m/s 4.8 m^2/s^ 2 82.52(kg m/s2) 0.74 0.1% 4 4 0.1 kg 11.3 g 0.3 m 1.9 m 9.3 s 0.32 t 0.31 m/s 5.94 m^2/s^ 2 91.8(kg m/s2) 1.00 -0.082% 5 5 0.12 kg 11.3 g 0.3 m 1.9 m 9.01 s 0.3 t 0.4 m/s 6.33 m^2/s^ 2 94.8 (kg m/s2) 1.18 -0.21%
1. In Activity 1, which way did the blue marble travel when the cup was removed? If How does the velocity of the bobber when spun with a mass of 14 washers in the cylinder compare with the velocity of the bobber when spun with a mass of 8 washers in the cylinder? The marble traveled in a straight path off the table after I removed the plastic cup. The more mass that was added the quicker the bobber spun. 2. Describe the relationship between the mass of the cylinder with the washers and the velocity of the bobber. Every time I added a washer, it took less time for the bobber to get 30 rotations. 3. What do you notice about the relationship between the centripetal force and the weight of the cylinder with washers? Explain the reason for this relationship. Centripetal force increased every time the washer weight increased. 4. How will centripetal force be affected if you double the velocity at which you spin the sphere? I believe the centripetal force would double as well. 5. What would you expect to happen to the velocity of the bobber if the mass of the washers in the cylinder remained the same and the radius was doubled? I would predict the velocity of the bobber to decrease.
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