Engineers: Structures and Mechanisms Review

What is a structure?

• Something built to withstand torsion

• Something built to carry a load

• Something that moves

• Something you can play with

What is a mechanism?

• Something made to support a force

• Something made to turn a dial

• Something that you ride

• Something made to do work.

An eggshell is an example of a structure.

• True

• False

A lever is an example of a mechanism.

• True

• False

When I sit on a chair. What force is my body exerting on the chair?

• Torsion

• Gravity

• Compression

• Air

When I am pulling a flag up a flagpole, what force is being exerted on the rope?

• Pulley

• Tension

• Spinning

• Rope Pressure

What type of force twists and object?

• Torsion

• Gears

• Spinning

• Shear

Identify this bridge

• Suspension

• Truss

• Beam

• Arch

Identify this bridge.

• Beam

• Truss

• Arch

• Suspension

Identify this bridge.

• Beam

• Truss

• Arch

• Suspension