POE Unit 2

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

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

Front

A bridge member that is in compression is...

Back

being squeezed

Front

TRUE OR FALSE: A moment is equal to the force times the parallel distance from the pivot point to where that force is acting.

Back

False