Simple Machines III - Pulleys

Fourth graders are introduced to a spring scale to show that the forces on both sides of the pulley are the same. They break into groups to lift objects with fixed pulleys and with multiple looped pulleys and then measure the force necessary to lift the objects using a spring scale.

4th Science 3 Views 11 Downloads
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Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning

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