The amount of energy applied to an object to move it. It can be a push or a pull.
force
In simple machines, this is what you call moving an object from one place to another.
work
The Egyptians probably used this simple machine to lift heavy stone blocks to build the pyramids.
How do a writers of nonfiction (informational) books usually ORGANIZE their books?
These writers usually use headings to divide the book into categories of information.
Any object that helps you do work. It can be simple or complex.
device
A simple machine that is an inclined plane that is wrapped around itself or wrapped around a cylinder.
screw
a nut and bolt is this kind of simple machine
a screw
How do nonfiction (informational) writers usually present the information in a nonfiction (literary) book?
Using words (text), photos, captions, drawings, and sidebars.
A device with few or no moving parts that helps you do work.
simple machine
A simple machine made up of a grooved wheel and a rope. Two of these reduce the amount of effort by 2 times. More of these on a rope make pulling easier.
pulley
The more of these you use on a rope, the easier lifting can be.
pulleys
A simple machine that is made of two circular objects of different sizes that turn at the same time.
wheel and axle
A simple machine that is made up of one or two inclined planes that can move. It can be used to push things apart.
wedge
A soda pop bottle uses this kind of simple machine
A simple machine that uses a flat surface that is higher on one end.
inclined plane
A device that uses the concept of a wheel and axle to insert or remove screws.
screwdriver
A device that can either lift fluid from a lower place to a higher place, OR it can generate power when placed in a running stream of water.
Archimedes screw