ENGR 241 Final Exam Review

The higher to Moment of Inertia, the ___ something resists bending

• More

• Less

• Yes

• No

SI unit for Moment of Inertia is

• slug ft^2

• m^2

• m/s

• m^4

A couple moment is defined as:

• A circle

• Force times distance

• Two forces of equal magnitude and opposite direction separated by a perpendicular distance

• Two forces of equal magnitude and opposite direction

Product of Inertia:

• Is an object's resistance to bending

• Is MOI times distance

• Gives a sense of warping

• Is never zero

On an FBD, friction always:

• Follows motion

• Opposes motion

• Is perpendicular to the contact surface

• Friction does not exist in statics

The parallel-axis theorem can be applied to:

• MOI and MMI

• MOI

• MMI

• It's actually the perpendicular axis theorem

There are ___ equations of equilibrium in 2D

• 1

• 5

• 4

• 3

The triple scalar product is used to find:

• The forces in the y-direction

• Friction

• The moment about an axis

• The angular acceleration

Method of sections is used when you want to find:

• The force in every member of a truss

• The moment about a point in 3D

• The friction on a wedge

• The force in specific members of a truss

The chosen area element has a thickness:

• dx

• dy