POE Unit 2 Review

Front

Find the location of the centroid of a right triangle with base B = 12 and height H = 9.

Back

(4, 3)

Front

TRUE or FALSE: in symmetrical objects, the centroid is determined by an object's line of symmetry.

Back

True

Front

The centroid of an object is...

Back

its center of gravity or center of mass

Front

Does the top plank or bottom plank seem to have a higher modulus of elasticity?

Back

Bottom plank

Front

A LOW modulus of elasticity means...

Back

a lower resistance to deformation

Front

Which board has a higher moment of inertia?

Back

Board A

Front

Using the equation for the moment of inertia, find the base of a piece of wood that has moment of inertia 21 and height 5.5.

Back

1.5

Front

A higher moment of inertia produces a...

Back

greater resistance to deformation

Front

The measure of the stiffness of an object relative to its shape is called its...

Back

moment of inertia

Front

A bridge member that is in tension is...

Back

being stretched