2018 HS Physics CH

https://youtu.be/KBcUSgwHawU This is primarily just an explanation of the lab as well as the math that is related to the lab.  For those of you who missed this week, this should give you enough information to do the homework questions related to the lab work. Also, I'm including a copy of the data table for the lab for you to take a look at.

Hi folks, Today we took some time to do a lab based on the material we have been covering lately.  In the lab, we measured the gravitational potential energy of a falling object and we compared that to the work done by that object on another object to find the energy efficiency of the system.   This encouraged some careful data collection as well as allowing us to put some of our new formulas to use. Two assignments for homework next week. 1.  Please answer the questions on the Energy Efficiency Lab Question and Answers .pdf.   2.  Please do the enclosed Energy Problem Set with Answers .pdf

https://youtu.be/1l8vroz_NsI

Hi folks, This week we explored the ideas of potential energy and kinetic energy.  We also took a good look at the concept of gravitational potential energy. For homework this week: Read pages 111 - 117 in the text book. Do questions 6 - 20 on pages 119 and 120. Do Plug and Chug 1- 10 on page 120. I've included answers below.

Part 1  Part 2 - analyzing the data

Hi folks, Today we continued to explore the relationship between force, distance and work as we took a look at the lever.  We discussed the three classes of lever and then did a lab where we could clearly see the effect of the placement of the fulcrum on the effectiveness of the lever. For homework this week please do the following questions.  I've included your data sets so you can see your numbers. 1. What happened to the effort force as the fulcrum got closer to the load?  2. What happened to the effort force as the fulcrum got farther from the load?  3. What happened to the load force as the fulcrum got closer to the load?  4. How about when the fulcrum got farther from the load?  5. If you wanted to lift an object that you couldn't lift by yourself, where would you put the fulcrum? Close to, or far from the load?  6. What relationship does distance have to force in regards to the lever? 7.  Make a graph with "Distance from the Load" on the x ...