Lecture 7

Lecture 7 - Lecture 7: BME 3150 Moments and Torque D r . E...

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Dr. Ettienne-Modeste_BME 3150 Lecture Notes Lecture 7: BME 3150 Moments and Torque
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Dr. Ettienne-Modeste_BME 3150 Lecture Notes Moments and Torque • Moment and Torque are related: –Both refer to a force that causes rotation about a pivot point. –Both mathematically have the same definition.
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Dr. Ettienne-Modeste_BME 3150 Lecture Notes Moments and Torque • Torque is associated with the rotational and twisting actions of applied forces (Fig A.). (Fig A.) Shows a rotational effect
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Dr. Ettienne-Modeste_BME 3150 Lecture Notes Moments and Torque • Moment is related to their bending effects (Fig B ! .). (Fig B.) Shows a bending effect
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Dr. Ettienne-Modeste_BME 3150 Lecture Notes Magnitude of Moment • The moment magnitude about a point is equal to the magnitude of the force times the length of the shortest distance between the point and the line of action of the forces. • Known as the lever or moment arm.
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Dr. Ettienne-Modeste_BME 3150 Lecture Notes Magnitude of Moment • Consider the example of a person on an
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Lecture 7 - Lecture 7: BME 3150 Moments and Torque D r . E...

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