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Work Senior High School Class: XI / Semester 1 Created by Dewi Tirtasari Universitas Negeri Jakarta

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What is mass?

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mass is how much “stuff” a thing contains

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What is weight ?

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weight refers to the rate at which that amount of stuff is being accelerated towards the earth

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Think!! What difference between

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What is WORK ? When a force acts upon an object to cause a displacement of the object, it is said that work was done upon the object

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The equation of Work Mathematically, work can be expressed by the following equation.

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The angle -> Theta (θ)

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Keywords of Work Force Displacement The angle

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Practice make perfect

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Let’s Mention ! several good examples of work that can be observed in everyday life …

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Practice make perfect

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Summary

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Work is done when a force acts upon an object to cause a displacement. Three quantities must be known in order to calculate the amount of work. Those three quantities are force, displacement and the angle between the force and the displacement. Summary

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