% difference between measured and predicted displacements: Do your results agree with the theoretical displacements? What are some possible sources of experimental error? Evaluation of results 0.5 0 Understanding of system 0.5 0 With the Mx values that you calculated for the felt and cork, at what ramp angle would the cart + block velocity be constant for each surface with no applied forces acting? Show your calculations below. Ramp angle for the felt block Ofelt (9) Ramp angle for the cork block cork = (0) Data analysis 1 0.5 0 Understanding of system 0.5 0 Risk assessment Risk Suggested control measure Reflection on risk 1 0.5 0 4Theoretical displacement Ramp angle for the felt block Ofelt Ramp angle for the cork block ecork = (0) Calculate theoretical displacement down the ramp s for each block. Show your calculations below: Theoretical s for the felt block = (m) Theoretical s for the cork block = (m) Data analysis 1 0.5 0 Calculated values I 0.5 0 Table 4 - Measured displacement of cart + felt block s (m) Trial 1 Trial 2 Trial 3 Average measured s = (m) Data collection 1 0.5 0 % difference between measured and theoretical displacements: Table 5 - Measured displacement of cart + cork block s (m) Trial 1 Trial 2 Trial 3 Average measured s = (m) Data collection 1 0.5 0 3