6. Intro to Forces (Dynamics)

Which of the following is an example of static equilibrium?

When calculating the total weight the ladder is to support in a 2D equilibrium problem, you must include:

A planar truss is loaded only at its joints. At joint $A$, only two non-collinear members $\mathrm{AB}$ and $\mathrm{AC}$ meet, and there is no external load or support reaction at $A$. Which of the following statements correctly identifies the zero-force members in this configuration?

A cat dozes on a stationary merry-go-round. Which of the following statements best describes the forces acting on the cat in terms of equilibrium in two dimensions?

If an object is in equilibrium in two dimensions, which of the following statements must be true?

Which of the following examples best represents an object with balanced forces acting upon it in two dimensions?

Which of the following force diagrams represents an object in equilibrium in two dimensions?

Which of the following conditions must be satisfied for an object to be in static equilibrium in two dimensions?

Which of the following objects is in static equilibrium?

An object in mechanical equilibrium is an object that:

For a system in equilibrium along the x-axis, if the equilibrium position is at $x=0$, which points on the x-axis are located a distance $a$ from the equilibrium position?

Which of the following is an example of a balanced force in two dimensions?

In the context of equilibrium in two dimensions, what type of motion does a system exhibit when the net force acting on it is zero $F=0$?

If two objects are balanced on a pivot as shown in Figure 1, which of the following conditions must be true for the system to be in equilibrium?