Equilibrium: In the figure, the horizontal lower arm has a mass of 2.8 kg and its center of gravity is 12 cm from the elbow joint pivot. How much force FM must the vertical extensor muscle in the upper arm exert on the lower arm to hold a 7.5 kg shot put? 
Definitions:
Urban Boomerang
The phenomenon where individuals leave urban areas for rural or less dense areas, only to return to the city after a period.
Social Movement
An organized collective effort by a large group of people to bring about or resist social change, often aiming to address societal issues or grievances.
Campus Government
Represents the student-led governance bodies responsible for representing student interests, organizing activities, and advocating for student rights within educational institutions.
Political Campaigns
Organized efforts aimed at influencing the decision-making process within a specific group, particularly in democracies, where they are aimed at winning elections.
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