# Levers And Pulleys Lab Report

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|Date: 11/12/13 | Graded Assignment Lab Report: Levers and Pulleys Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit. Note: You will not submit the Lab Report until you have completed the both labs, Levers and Pulleys. (3 points) |Score | | | 1. Write the goal of the labs on levers and pulleys or the question you tried to answer. Answer: To see how changing the relative position of the fulcrum affects the effort force required to lift an object. (3 points) |Score | | | 2. Which observations, experiences, or…show more content…
|Resistance |Effort | |Force, as added mass |Arm length |Work |A |B |Total force |Arm length |Work | |to resistance side (g)|(m) |(N × m or J) |Force (N) applied |Pulling force applied |B-A |(m) |(N × m or J) | |converted to (N) | | |to balance the |to the spring scale | | | | | | | |lever with no mass|(n) when mass is added| | | | | | | |on effort side |to effort side | | | | |300 g = |0.70 |2.058 |0.87 |22.74 |21.87 |0.40 |8.748 | |2.94 N | | | | | | |