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183_notes:examples:statictorque [2016/03/21 15:06] – klinkos1 | 183_notes:examples:statictorque [2016/03/24 22:26] – [Setup] klinkos1 | ||
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====== Example: Statics with Torque ====== | ====== Example: Statics with Torque ====== | ||
+ | {{183_notes: | ||
Find the force a person would have to apply support their friend doing a keg stand | Find the force a person would have to apply support their friend doing a keg stand | ||
==== Setup ==== | ==== Setup ==== | ||
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=== Facts ==== | === Facts ==== | ||
- | * Gravity will apply a negative acceleration of $9.82 m/s^2$ | + | * Gravity will apply a negative acceleration of $9.81 m/s^2$ |
=== Lacking === | === Lacking === | ||
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* The pivot will be at the keg | * The pivot will be at the keg | ||
=== Representations === | === Representations === | ||
- | + | {{183_notes: | |
- | * | + | |
==== Solution ==== | ==== Solution ==== | ||
Since the system is stationary, we know that both the net force and the net torque are equal to zero | Since the system is stationary, we know that both the net force and the net torque are equal to zero |