Activity 1.1.2 What's Simple About a Combine?

These flashcards cover the main concepts about simple machines and their application in agriculture, focusing on the combine harvester.

What are the six types of simple machines?

Lever, Wheel and Axle, Pulley, Inclined Plane, Wedge, and Screw.

What is the purpose of a combine harvester?

It combines the tasks of harvesting, threshing, separating, and cleaning grain crops.

What does mechanical advantage refer to in simple machines?

The ratio of the output force produced by a machine to the input force applied.

What was the percentage of the U.S. population that lived and worked on farms in the early 1800s?

90 percent.

How does the mechanical advantage of a wheelbarrow work in the given example?

The IMA can be calculated based on the distances from the wheel to the load and from the wheel to the effort.

According to the ADA, what is the maximum ramp slope ratio?

1:12 ratio for ramp slope.

What were the simple machines used to build the Great Pyramid of Giza?

Wedges, levers, and inclined planes.

What is the historical significance of the engineering feats accomplished in ancient Egypt?

They are studied for their impressive accomplishments in building, including the Great Pyramid.

What type of VEX components are used in this activity?

VEX® V5 POE Kit.

What principle can be demonstrated using simple machines in a classroom setting?

The concept of mechanical advantage and how it helps in performing work efficiently.