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Torque and Angular Momentum

# Torque and Angular Momentum - Torque and Angular Momentum...

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Torque and Angular Momentum October 4, 2008 Sloane Schneider Lab Partners: Taylor Whipple, Cory Wilkinson, Adrienne Ramos, Sandra Lemke Theory :

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Angular momentum, L , can be calculated by using an equation similar to that of the equation for linear momentum ( p = mv ). This equation is = L where I is the moment of inertia and angular velocity is expressed by ω . In the equation for linear momentum m measures the inertia of an object moving linearly opposed to I from the equation for angular momentum, which measures the objects rotational inertia. In order to calculate the moment of inertia one must take into account not only the amount of mass, but also how that mass is distributed. From Table 1 in the Angular Momentum section of the 2008 General Physics Lab Manual the following common formulas are found. Moments of Inertia for Various Rigid Objects of Mass M Point Mass (at a distance R from axis of rotation) = I MR2 Solid Disk (of radius R rotating about an axis through the center of the disk) 12MR2 This Rod (of length L rotating about an axis perpendicular to the rod and through its center) 112ML2 The moment of inertia for a compound object can be calculated by summing the moments of inertia for each piece. This can only be done if the object can be broken into a combination of
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