Gravity Powered Escapement Wheel Simple Machine Lesson

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In this follow up video, the basics of construction for this

An

How do

Masters of

In this 4th grade

wheelaxle #simplemachines #ngscience https://ngscience.com The

The invention of the

simplemachines Hey kids! In today's video, we will be learning about the

Simple Machines

There are two

For complete building instructions, see here: https://github.com/tbensky/ProjectClock.

Perpetual

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This week I brought the test-plates back out in order to test the