analysis Data and Calculations Data Table 1: Ruler Fulcrum at: 14.5 cm Trial 1 2 3 4
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Data and Calculations Data Table 1: Ruler Fulcrum at: 14.5 cm Trial 1 2 3 4 1 quarter 2 Load (mass) 1 quarters 3 Trial 2 3 4 IL quarters 4 quarters Distance Load- Fulcrum (cm) 4.0cm 4.0cm Data Table 2: First Class Lever Fulcrum at: 0.50 cm Spring Scale mass: 41.2g Load Load mass weight (kg) (N) 0.160kg 1.6N 0.160kg 1.6N 0.160kg 1.6N 0.160kg 1.6N 4.0cm 4.0cm Effort (mass) 1 quarter 1 quarter 1 quarter 1 quarter Sample Calculation of Expected Ratio for Trial 3: M.A-Load/Effort(mass), 3 quarters/1quarters-3. Distance Effort- Fulcrum (cm) 6.5cm Load Distance (cm) 10cm 10cm 15cm 5cm 9.0cm 12.0cm 15.0cm Scale Weight (N) 0.41N 0.41N 0.41N 0.41N Sample Calculation for Mechanical Advantage: -Load (weight in N)/Effort force (in N). Data Table 3: Second Class Lever Ratio deffoca/dload 1.6 2.2 3 3.7 Scale Effort Reading Force (N) (N) 0.34N 1.0N 0.51N 1.4N 0.51N 1.5N 0.60N 1.10N Expected Ratio Effort Distance (cm) 45cm 45cm 45cm 45cm 1 2 3 4 MA 1.6 1.14 1.06 1.45 Data and Calculations Data Table 1: Ruler Fulcrum at: 14.5 cm Trial 1 2 3 4 1 quarter 2 Load (mass) 1 quarters 3 Trial 2 3 4 IL quarters 4 quarters Distance Load- Fulcrum (cm) 4.0cm 4.0cm Data Table 2: First Class Lever Fulcrum at: 0.50 cm Spring Scale mass: 41.2g Load Load mass weight (kg) (N) 0.160kg 1.6N 0.160kg 1.6N 0.160kg 1.6N 0.160kg 1.6N 4.0cm 4.0cm Effort (mass) 1 quarter 1 quarter 1 quarter 1 quarter Sample Calculation of Expected Ratio for Trial 3: M.A-Load/Effort(mass), 3 quarters/1quarters-3. Distance Effort- Fulcrum (cm) 6.5cm Load Distance (cm) 10cm 10cm 15cm 5cm 9.0cm 12.0cm 15.0cm Scale Weight (N) 0.41N 0.41N 0.41N 0.41N Sample Calculation for Mechanical Advantage: -Load (weight in N)/Effort force (in N). Data Table 3: Second Class Lever Ratio deffoca/dload 1.6 2.2 3 3.7 Scale Effort Reading Force (N) (N) 0.34N 1.0N 0.51N 1.4N 0.51N 1.5N 0.60N 1.10N Expected Ratio Effort Distance (cm) 45cm 45cm 45cm 45cm 1 2 3 4 MA 1.6 1.14 1.06 1.45
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