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Simple Machines (engineering)

A simple machine is a mechanical device that can help you change the force applied to help do more work easier. There are six simple machines: Wheel and axle, pulley, inclined plane, wedge, and screw.

1,499 Questions

What is a caster wheel?

The next time you go to your local Shopping Center have a look at the wheels under the shopping cart. Those are caster wheels.

A caster wheel is a wheel attached to the bottom of objects (notably bed frames, office chairs, and skateboards), and for carts and dollies. A caster wheel usually incorporates its own single-wheel axle.

Some caster wheels can swivel, up to 360 degrees, to make turns and lateral motion possible.

What simple machines make up a pizza cutter?

A pizza cutter primarily consists of two simple machines: a wheel and an axle. The wheel allows for smooth rolling action while cutting through the pizza, and the axle serves as the central pivot point that enables the wheel to rotate. Additionally, the handle acts as a lever, providing leverage for the user to apply force effectively while slicing. Together, these components enhance the efficiency of cutting pizza.

What are the types of simple machines and what do they do?

Simple machines are any device used to change the direction and or magnitude of a force.

Levers, pulleys, wheels, and the inclined plane are all examples of simple machines.

What things can push or pull?

things that you can push and pull are door,trolley,buggy,window,gate, computer mouse,person,comouter,lawn mower,saw,vacuum, when you scrub the floor,chair,car,toy car

Describe how simple machines make work easier?

Simply put, a simple machine makes the work much easier. Simple machines reduce the amount of force needed to do the work. A pulley, for instance, is a great example of a simple machine.

What does a ramp increase?

It increases the distance over which work is performed, while reducing the power required over the period of the work performed.

Why do you use simple machines such as levers?

Because less force is required to accomplish the same amount of work.

What kind of simple machine is an escalator?

The escalator is a type of inclined plane, where motion is at an angle instead of straight up as in an elevator.

List down the 6 types of simple machines with their meaning and examples?

Lever:A lever is a simple machine that consists of a rigid object (often a bar of some kind) and a fulcrum (or pivot). Applying a force to one end of the rigid object causes it to pivot about the fulcrum, causing a magnification of the force at another point along the rigid object. There are three classes of levers, depending on where the input force, output force, and fulcrum are in relation to each other. Baseball bats, seesaws, wheelbarrows, and crowbars are types of levers. Wheel & Axle:A wheel is a circular device that is attached to a rigid bar in its center. A force applied to the wheel causes the axle to rotate, which can be used to magnify the force (by, for example, having a rope wind around the axle). Alternately, a force applied to provide rotation on the axle translates into rotation of the wheel. It can be viewed as a type of lever that rotates around a center fulcrum. Ferris wheels, tires, and rolling pins are examples of wheels & axles. Inclined Plane:An inclined plane is a plane surface set at an angle to another surface. This results in doing the same amount of work by applying the force over a longer distance. The most basic inclined plane is a ramp; it requires less force to move up a ramp to a higher elevation than to climb to that height vertically. The wedge is often considered a specific type of inclined plane. Wedge:A wedge is a double-inclined plane (both sides are inclined) that moves to exert a force along the lengths of the sides. The force is perpendicular to the inclined surfaces, so it pushes two objects (or portions of a single object) apart. Axes, knives, and chisels are all wedges. The common "door wedge" uses the force on the surfaces to provide friction, rather than separate things, but it's still fundamentally a wedge. Screw:A screw is a shaft that has a in inclined groove along its surface. By rotating the screw (applying a torque), the force is applied perpendicular to the groove, thus translating a rotational force into a linear one. It is frequently used to fasten objects together (as the hardware screw & bolt does), although Babylonians developed a "screw" that could elevate water from a low-lying body to a higher one (which later came to be known as Archimedes' screw). Pulley:A pulley is a wheel with a groove along its edge, where a rope or cable can be placed. It uses the principle of applying force over a longer distance, and also the tension in the rope or cable, to reduce the magnitude of the necessary force. Complex systems of pulleys can be used to greatly reduce the force that must be applied initially to move an object.

What are common compound machines you find in homes or schools?

Common compound machines found in homes and schools include scissors, which combine levers and wedges to cut materials, and can openers, which utilize levers and wheels to remove lids from cans. Other examples are staplers, which use levers and wedges to fasten papers together, and pulley systems used in window blinds. Additionally, bicycles combine levers, wheels, and gears to facilitate movement. These machines simplify tasks by using multiple simple machines in conjunction.

What makes a simple machine simple?

The twist drill uses flutes that act as an Archimedean screw to lift swarf from the hole.

Did ancient egyptians use simple machines?

Machines? Almost everything that was done in the ancient world was done by hand... The only thing that aided us humans machine wise would possibly different types of pulley systems to move and hoist things around. I think it is rather fascinating that they was able to do all that they did and how they accomplished tasks that was carried out upon a daily life... But, then again... Slavery was another big part in the ancient world... So, technically all the wonders we see today was either done by either one of two different types of people... 1) People that was loyal to do tasks for the leadership or 2) People that opposed that leadership would be forced into slavery