Systems in Action Physics Learning Goals  I am learning how machines make work easier ( pulley systems)  I am learning how to measure the amount of.

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Presentation transcript:

Systems in Action Physics Learning Goals  I am learning how machines make work easier ( pulley systems)  I am learning how to measure the amount of force is required to do work  I am learning about Newton’s law of Gravitation

Key Terms Force- a push or pull that acts on an object Mass- how much matter an object has Weight- the amount of force pulling on an object because of gravity Newtons- measure the amount of force on an object because of gravity The equation for calculating the earth’s force of gravity Fg= m x g On Earth g = 9.8 N for every kilogram of mass ?v=LEs9J2IQIZY

Measuring the Gravitational Force with Pulleys Using the Newton Scale you will complete the following experiments with different pulley systems. Record the amount the Newtons for each system in the Chart you designed. Pulley Systems  Fixed Pulley  Moveable pulley  Two pulley system Be sure to read the instructions carefully and record the amount of Newtons required to lift the load.

Types of Pulley Systems Fixed Pulley System ?v=h436i3hQciA Moveable Pulley ?v=aXAJv6HYDOw

Two-Pulley System