Rigid Body Equilibrium Quiz

What is the definition of equilibrium for a rigid body?

• None of the above

• Both A and B

• Object is not rotating

• Object has a constant velocity

What are the rigid body equilibrium equations?

• None of the above

• P = mv, E = mc^2, F = ma

• Fx = 0, Fy = 0, M = 0

• F = ma, M = Iα, T = r × F, W = mg

What type of support allows rotation about any axis but prevents movement in the horizontal and vertical directions?

• Fixed Support

• Roller Support

• None of the above

• Pinned Support

How are distributed loads represented?

• As a single point force

• As a field of vectors

• None of the above

• As a line segment

What is the equivalent point load and location for distributed loads?

• Modeled as a single point force at the centroid of the object

• Modeled as a single point force at the edge of the object

• Modeled as a distributed force

• None of the above

What type of constraint allows rotation about any axis and translation in any direction parallel to the surface on which it rests?

• Roller Support

• Pinned Support

• Fixed Support

• None of the above

What are reaction forces and moments used to model?

• External forces

• None of the above

• Internal forces

• Frictional forces

Is a two parallel, non-collinear forces that are equal in magnitude and opposite in direction.

• Moment

• Couple

• Pair

• Forces

It is a special case in which the resultant is zero magnitude but does have a moment.

• Moment

• Couple

• Pair

• Forces

The plane in which the two forces forming a couple is called

• 2D Plane

• Plane of Forces

• Plane of Pairs

• Plane of the Couple