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Circular Motion

Subject: Physics
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Task: Verify the relationship F = mv2 / r at the central circular motion with constant speed. Do
two different measurements. Determine v in two different ways in each of the two försöken.Utförande: We determined the speed of the weight that went around in the sling in two different ways,
Speed ​​1) Took time at 10 yards, and calculated the momentum by taking the route through time.
Speed ​​2) used Speedometern.

Results: Speed ​​1 was determined first to take out the stretch as the weight passed through to figure out the circumference (o = r * 2 *). Then we took the perimeter and divided at the time of a lap (total time by 10 yards) and got out the fly.
Speed ​​2 on the weight we got out by first figuring out the time on a lap of Formula
(T = (2 ** r) / v), the radius was 0.30 m on the entire sling. Then we took the time and worked with the same formula out the speed where the weight set.

Trial 1 Trial 2 Trial 3 Trial 4
Mass (kg) 0.350 0.350 0.200 0.200
Speed ​​1 (m / s) 0.72 1.02 0.86 1.22
Speed ​​2 (m / s) 0.75 1.06 0.88 1.23
Radius (m) 0.153 0.193 0.143 0.184
Time (s) 1.342 1.187 1.045 0.946
Dynamometer force (N) 1.2 1.9 1.0 1.7
F of speed 1 (N) 1.17 1.89 1.03 1.62
F of speed 2 (N) 1.29 2.04 1.08 1.64

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