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วันศุกร์ที่ 9 มกราคม พ.ศ. 2558

rotational motion

Rotational Motion of a Rigid Body

Rotational motion is more complicated than linear motion, and only the motion of rigid bodies will be considered here. A rigid body is an object with a mass that  adding article


        

วันอาทิตย์ที่ 7 ธันวาคม พ.ศ. 2557

Momentum

Momentum


The sports announcer says, "Going into the all-star break, the Chicago White Sox have themomentum." The headlines declare "Chicago Bulls Gaining Momentum." The coach pumps
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Work, Energy and Power


Mechanics: Work, Energy and Power

Work, Energy and Power: Problem Set Overview

This set of 32 problems targets your ability to use equations related to work and power, to calculate the kinetic, potential and total mechanical energy, and to use the work-energy relationship in order adding article