PHYSICS LAB FINAL EXAM 2024-2025 UPDATED QUESTIONS AND VERIFIED ANSWERS GRADED A+ Why is uncertainty important to consider when reporting data? ANSWERS An error could occur when there is uncertainty in a measurement. The smallest error could skew the data. Why is a caliper sometimes better to use than a ruler? ANSWERS Calipers are more precise. Comment on accuracy vs. precision for rulers and calipers. ANSWERS Calipers are both more accurate and precise. What are the sources of uncertainty when using a ruler and caliper? ANSWERS For the ruler, the uncertainty is + or - .05. For the caliper, the uncertainty is + or - .0025. What are the advantages and disadvantages of using a spring scale to measure weight? ANSWERS For this lab in particular, a disadvantage is that some of these objects are not made to hook onto a spring scale, thus skewing the results.An advantage would be the accuracy of a spring scale, when used correctly. What are sources of uncertainty when using a spring scale? ANSWERS The 5 N spring scale uncertainty was 5, and the 10 N uncertainty was 10. What are the advantages and disadvantages of using a stopwatch to measure time? ANSWERS The