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The file you uploaded contains problems from **Chapter 5: Equilibrium of a Rigid Body**. Here are the main questions outlined:

1. **Free-body diagram of member ABC**: This involves drawing the free-body diagram for a member supported by a smooth collar at point A, a roller at point B, and a short link at point CD, identifying the forces acting on it.

2. **Free-body diagrams for a frame supporting a 50-kg cylinder**: This requires drawing free-body diagrams for various parts of a frame supporting the cylinder, such as rod DC, segment AC, pulley B, and the pin at C.

3. **Analyzing a skeletal diagram of a hand holding a load**: Given the mass of the load and the forearm, as well as the location of their centers of mass, you need to determine the force in the biceps and the reaction forces at the elbow joint.

4. **Reaction forces on a pinned member**: This asks for determining the horizontal and vertical components of reaction at pin A and the normal force on a smooth peg B.

Would you like a detailed explanation or solution for any of these problems?

Here are some follow-up questions for deeper understanding:

1. How do you draw a free-body diagram for a system with multiple supports?
2. What are the different types of reactions at a pin, roller, and collar support?
3. How do centers of mass affect the calculation of forces in structural systems?
4. What assumptions simplify the analysis of equilibrium for a rigid body?
5. How do you calculate reaction forces for members with pins and rollers?

**Tip**: Always ensure to define your coordinate system before resolving forces into components. This simplifies equations and reduces the chance of errors.

The file contains problems from Chapter 5: Equilibrium of a Rigid Body, asking for free-body diagrams, forces acting on members, reaction components at joints, and force analysis in systems involving members, pulleys, and hands holding loads.

Explore free-body diagrams, reaction forces at pins, and equilibrium conditions from Chapter 5 of rigid body statics. This guide helps understand how to analyze structures like frames, members, and biomechanical models through key static principles.

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