Liquid Force Hinge

By · Wednesday, April 25th, 2007

Liquid Force Hinge

If you are looking for ways to help teach children bearings then read on. So your child comes home from school with questions about friction. How can you help your child understand this concept? Without the friction life as we know it would not exist. Each area would be more slippery the ice. I could not walk, run, write, or even eat without friction. The friction of children is as easy as using common examples to guide your explanation.

The friction of children begins with the basics. Friction is a push, pull, or a force that works against the movement of objects that are contact as they move beyond us. When objects touch the surfaces tend to stick together, like ties and small hooks of Velcro. The heat and noise are also produced by friction. If you rub the palms of the hands quickly warm up your hands and you can hear the sound that creates friction.

There are three types of friction, sliding friction, rolling friction and fluid friction. Friction is caused by two objects in contact with each that slide over each other. For example, when you push a large wooden box of a floor is pressed against the sliding friction. The entire surface of the box is in contact with the floor slides against the ground, slowing the movement of the box. uses rolling friction wheels. Moving the same large wooden crate with a wagon force is exerted against the rolling friction. Only the bottom of each wheel is in contact with the ground. rolling friction is less than sliding friction, but requires less effort to push the box in the car to push the crate that is directly supported on the ground. When an object is in contact with liquid a liquid or gas present is considered fluid friction. Planes and racing cars adapted to reduce friction of the fluid. Have smooth surfaces and curves to reduce friction, called drag, with the air.

When the teaching of friction for children is important to emphasize that the friction can be advantageous. You light a match with friction. When you light a match, friction creates enough heat to ignite a chemical compound in the head of the party burning the rest of the party head. car brakes work due to friction. As the brake pads rub against the wheels of the car, the car brakes. Shoes designed for some sports have special soles to use friction to your advantage. baseball shoes football shoes have nails to increase the friction by sticking to cracks in the soil. A violin bow resin set for increased friction between the bow and the strings of a violin, hence the production of sound.

However, friction can also be detrimental. If a door hinge squeaks, the noise is caused by friction. The space shuttle's nose and wings of heat dramatically as it returns to Earth from orbit. Ceramic tiles on the nose of the aircraft wings are designed to dissipate heat caused by friction. The moving parts of a car engine rubbing against each other and can stay together, causing the motor to pick up work. Use oil in the engine of a car protects the parties of friction. Cooked foods tend to stick to pans. Teflon non-stick cookware reduces friction between the food and PAN, causing the food slide. competitive swimmers wear specially designed monkeys to reduce friction between them and the water so they can swim faster. A player used bowling very flat-soled shoes to slip on the right lane before releasing the bowling ball. silicone sprays, oils, grease, graphite (very soft form of carbon "Lead" pencils), and ball bearings are used to reduce friction.

Using everyday examples, you can teach to friction of children and help them better understand the concept. The three types of friction, sliding, rolling and flowing, may be beneficial or detrimental to the movement objects. The friction between the tip and pen or pencil to write on paper allows you to write on paper. The friction between the ground or floor and feet allows you to run or walk along these surfaces. The friction between food and a spoon or fork lets you eat these items.

Lorie Moffat invites you to watch a FREE Demonstration of How My Unique 1 on 1 Online Classroom With Full Voice Boosts Your Child’s Math and Science Grades Today. Go to

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