Although this video is a bit long, it shows exactly what we've been learning in class so far on machines. The narrator talks about work in and out and he shows pulleys just like the ones that were set up in our classroom this week. You are even about to have a review on force and what work is as well.
This resource is relevant to the classroom because we've been seeing how the work in equals the work out when using simple machines. We have also been studying how a machine is useful because it reduces the force we have to put on the machine.
Enjoy!
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