The Lever
The Screw
Inclined Plane
Wedge/Pulley
Wheel & Axles
150

How many classes does a lever have?

Three(First,Second,&Third)

150

what was the first use of the Screw?

5th century B.C.E/A.D.

150

What is first nickname for the inclined Plane?

An inclined plane is sometimes named ramp.

150

how does a Pulley work?

A pulley works by using a grooved wheel and rope to change the direction of force or multiply it

150

What is a Wheel/Axles?

it is a simple machine with a circle-shaped wheel attached to a smaller rod also known as the Axle.

200

Why was the lever created?

Simple machine used to amplify physical force.

200

Do screws have iron?

 Screws are made of steel and steel is made from varying combinations of iron and carbon.

200

What are 3 famous types?

 Ramp, Stairs, & Slides

200

How does a wedge work?

A wedge works by converting a force applied to its thick end into powerful, outward-acting forces along its sloped sides, acting like a moving inclined plane to split, separate, lift, or hold objects.

200

Name 3 places where the wheel can be seen/used in?

Any Transportation, Household items, or Machinery 

350

what was the first illustration of the lever?

The illustration for the lever was first design as a  crowbar that is supported and can turn freely.

350

How old is the Screw known to be?

The invention of the screw was over 2300 years ago as of now.

350

Whats the mechanical of the inclined Plane?

An inclined plane, it's about how much less force you need. You compare the weight of the object to the force you use to push it up.

350

Whats is the wedge commonly used in?

Golf, Shapes, Military, & Architecture

350

 what are some common materials for both the Wheel & Axles?

Steel & Alloy Steel

400

When was it said to be first be used?

In Egypt and India for raising water and lifting soldiers over battlements as early as 1500 B.C.

400

Were they used in the military?

they were used in 16th-century weapons and armor for secure assembly.

400

Whats the history behind it?

The inclined plane, uses a sloping surface to move objects, famously used in the Egyptian pyramids around 2600 B.C.E

400

why was the pulley invented?

The pulley system was invented to make lifting and moving heavy objects easier by changing the direction of force or reducing the effort applied.

400

Whats the origin of the wheel/Axles?

The wheel & axle was an evolution, estimated  in Mesopotamia around 3500 B.C.E.

550

What are the 3 important parts?

Fulcrum, Load , & Effort.

550

What are the top 3 common head types?

Round Head, Raised Head, & Countersunk Head

550

Whats the main purpose of the ramp (Inclined plane)?

The main purpose of an inclined plane is to make it easier to move heavy objects to a higher elevation by reducing the force needed.

550
What's the history behind the wedge?

Wedges are among the earliest tools, with stone-age humans using them as knives and axes for hunting and building.

550

whats the main purpose?

the Wheel and Axle's purpose is to make work easier by lowering friction, adding force, or increasing distance