Friction | Learn Science, Robotics and Artificial Intelligence

Why do Racing Cars have Flat Tyres?

Naman — Tue, 28 Jun 2022 04:58:33 +0000

Have you ever wondered, why the racing cars have flat tyres ? Why are their tyres unique and flat as compared to those of regular cars? Let’s find out in this video , we address this question and will introduce you to special tyres known as “slick tyres.

Who wouldn’t love watching high speed cars— Running, Crashing Overtaking one other???

We are going to answer questions such as, How normal tyres differ from slick tyres? Why only slick tyres are suitable for racing? How friction plays an important role in racing?

We will be inspecting the role of physics in racing as well.. We bet that from now on, racing will be more exciting and much more fun for you .

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| Friction | Holding A Glass With Oil In Your Hands Tends To Slip. Why?

Naman — Mon, 25 Apr 2022 10:03:04 +0000

This is the stopping force that opposes the relative movement or the tendency of relative motion of two solid surfaces, fluid layers, and material elements when they slide each other, known as friction. It acts tangentially along with the contact. Friction always exists in pairs.

On microscopic observation, we find friction occurs due to irregularity in surfaces.

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https://youtu.be/IaYVzmXwB4U

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If There Was No Friction, What Would Happen To A Moving Object?

Naman — Mon, 25 Apr 2022 09:56:26 +0000

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction:

Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact. Dry friction is subdivided into static friction (“stiction”) between non-moving surfaces, and kinetic friction between moving surfaces. With the exception of atomic or molecular friction, dry friction generally arises from the interaction of surface features, known as asperities .
Fluid friction describes the friction between layers of a viscous fluid that are moving relative to each other.
Lubricated friction is a case of fluid friction where a lubricant fluid separates two solid surfaces.
Skin friction is a component of drag, the force resisting the motion of a fluid across the surface of a body.
Internal friction is the force resisting motion between the elements making up a solid material while it undergoes deformation.

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Why Is Rolling Friction Less Than Sliding Friction?

Naman — Mon, 25 Apr 2022 09:55:43 +0000

We can understand sliding friction as the resistance force created between any two bodies when sliding against each other. This friction is also called kinetic friction and it is defined as the force that is required to keep a surface sliding along another surface. It hangs on two variables- one is material or the thing and the other is the weight and size of the object. Any variation in the surface area in contact does not change the sliding friction. In most materials, sliding friction is much less than static friction.

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How Does Rolling Friction Decrease Wear and Tear in Machinery?

Naman — Mon, 25 Apr 2022 09:52:04 +0000

When surfaces in contact move relative to each other, the friction between the two surfaces converts kinetic energy into thermal energy (that is, it converts work to heat). This property can have dramatic consequences, as illustrated by the use of friction created by rubbing pieces of wood together to start a fire. Kinetic energy is converted to thermal energy whenever motion with friction occurs, for example when a viscous fluid is stirred. Another important consequence of many types of friction can be wear, which may lead to performance degradation or damage to components. Friction is a component of the science of tribology.

Friction is desirable and important in supplying traction to facilitate motion on land. Most land vehicles rely on friction for acceleration, deceleration and changing direction. Sudden reductions in traction can cause loss of control and accidents.

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