Ramps (which are also known as wedges), levers, and pulleys are simple machines.
The answer you are looking for is Tools.
some simple machines do need wires and some dont
A machine is merely something that performs or assists in performing a task. The simplest examples of machines are levers, pulleys, and wedges, all of which have probably been around in some form or another since before recorded history. So, I suppose no one really knows how they developed.
true but machines hurt people when people dont use machines properly
Machines are designed to make work faster and easier. These machines do so by taking some of the manual work off of you.
The most simplest could be a drill press or band saw
pulley is the simplest form of machine
One is the lever
A fulcrum is used for the simplest of all machines - the lever.
A fulcrum is used for the simplest of all machines - the lever.
"There are many different models of microdermabrasion machines. All of the different models, varying from the simplest to the most complex are extremely expensive."
Some of the best rated exercise machines include treadmills and elliptical machines. Other top machines include stationary bikes and rowing machines.
some simple machines do need wires and some dont
A lubricant. In machines, some kind of oil is often used.A lubricant. In machines, some kind of oil is often used.A lubricant. In machines, some kind of oil is often used.A lubricant. In machines, some kind of oil is often used.
washing machines?
it can fix some thins,materials
Ice Cream Machines.
A machine is merely something that performs or assists in performing a task. The simplest examples of machines are levers, pulleys, and wedges, all of which have probably been around in some form or another since before recorded history. So, I suppose no one really knows how they developed.