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Update homework 2 Q2, typo #21

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Update homework 2 Q2, typo #21

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2 changes: 1 addition & 1 deletion module_02/homework.md
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Expand Up @@ -13,7 +13,7 @@ the outer radii. Its acceleration when the forces are first applied is $\alpha

3. A mechanical sliding mechanism is designed for two arms to move the roller at
point C along the ground. A force $F=100~N$ is applied at the connecting link.
The long arm OA has length $l_1 = 50~mm$ and the short arm has length $l_2 =
The long arm has length $l_1 = 50~mm$ and the short arm has length $l_2 =
42.43~mm$. A restoring force, $R$, is applied to prevent the system from accelerating

a. What angle, $\theta_1$, would the restoring force be $R=0$?
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