Do you mean technological development? Then the answer is no. All complex machines are made up of simple machines in various combinations. Without the one, you can't have the other. The world would go on, of course, but the technological complexities of its modern civilizations could not exist without simple machines.
Simple machines are considered simple because they usually only have one part or need one force to work.
they can help you like a pencil helps you write
By simple machines, I assume you mean machines powered by muscle but using leverage such as levers, screws, block and tackle devices. Is that what you mean? If so, these devices increase something called "mechanical advantage". Start with levers. The usefulness of a lever depends on where the fulcrum is placed. If the fulcrum is in the centre of a lever such as with a see-saw, there is no mechanical advantage at either end. That's why kids of similar weights can suspend the kid on the other end of the see-saw up in the air just to be rascals. Now if the fulcrum is closer to one end than to the other, the person farther from the fulcrum can exert more force than the person closer to the fulcrum. Think of a crow bar. One inserts an inch or two of the bar at the point where one wants to apply force. Pushing on the other end of the bar (perhaps two, three, four feet away) exerts a lot of force at the other end. The same effect allows you to lift a car with a jack. You push down a foot on the jack handle and the jack platform rises perhaps half an inch.
Scissors are compound machines. These scissors have fulcrum wedges and levers.wedge and a leverA scissor is a form of a simple lever.The loadforce is at the blade end - paper.The fulcrum is usually a screw,and the effort force is on the handles.scissors have more than one simple machine making it a complex machine and it has a wedge as well as a lever since it has a fulcrum to hold them togetherA pair of scissors is a combination of two wedges, acting in opposite directions, connected to a lever.A pair of scissors is a compound machine.pendulumwhat type of simple machine is scissors? there a tickle machineLeverWedgefirst class lever and wedgeTwo levers together.a scisor is a lever( first order).it has two levers on one fulcrum.a scisor is a lever( first order).it has two levers on one fulcrum.the 'machines' in scissors are simply a pivot and two closely placed blades which when brushed past one another perform a cutting manouvreThe two arms that you squeeze together are levers.The cutting edges of the scissor blades are sharpened to be wedgesFirst class machineThe lever is used in the scissor.lever screw wedge and an inclined planeit is a leverA pair of scissors consists of two levers fastened together on a fulcrum or pivot on which the levers rotate.A pair of scissors consists of two levers fastened together on a fulcrum or pivot on which the levers rotate.I have no idea, sorry.The main simple machines in use by scissors are levers. You push and pull (in a sense) on one end of each crossed lever to create the up and down motions. This creates a straight slice in the object you are cutting.Lever- fulcrum located between the input and output force. (First-Class Levers).Wedge- V-shaped object whose sides are two inclined planes sloped toward each other.I'm not that sure.. I read my science book and that's what the book says :)..
A tack is a type of wedge, which is a simple machine that is used to push things apart or hold things together.
Wedge A+
The electromagnetic force can push things apart. This force exists between charged particles and can cause similar charges to repel each other. Additionally, the force of gravity can also push things apart on a cosmological scale due to the expansion of the universe.
Simple. Go on top and click and hold down you should go in between. If you do push them apart. That is how to push the haystacks apart in astro knights poptropica.
Yes, a eraser is a simple machine, If we say what are simple machines, simple machines are machines that have mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms. We have 6 types of simple machines, which are, inclined plane, lever, wedge, wheel and axle, pulley, and screw. Six simple machines for transforming energy into work. lever, is the type of a simple machine that have something to push down against. Some common examples are, like eraser, door handles, hinges, light switches and more.
Do you mean technological development? Then the answer is no. All complex machines are made up of simple machines in various combinations. Without the one, you can't have the other. The world would go on, of course, but the technological complexities of its modern civilizations could not exist without simple machines.
Oh, what a lovely question! A stroller is like a happy little family of simple machines working together. You have wheels and axles for smooth movement, levers for easy steering, and maybe even some gears for folding it up neatly. Each part plays its own special role, just like how every color on our palette adds to the beauty of a painting.
Simple machines are considered simple because they usually only have one part or need one force to work.
they can help you like a pencil helps you write
A lever is a simple machine that can multiply the distance you apply force over. By adjusting the placement of the fulcrum, you can increase the distance the load moves relative to the distance you push or pull on it.
A sharpener is a type of wedge, which is a simple machine that has a sloping surface that helps to reduce the force needed to push objects apart.
A toaster is typically classified as a combination of simple machines, including levers and gears. The lever is used to push the bread down, and the gears are used to adjust the level of toasting.