name all the friction and its deffination
Answers
Answer:
1-static friction
2-rolling friction
3-sliding friction
4-fluid friction
Explanation:
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Answer:
Explanation:
Friction is the force exerted by the surface of an object when another object moves against it. Friction occurs in the direction opposite to motion, and because of this, it is a force that affects the motion of objects. When you push a box across the floor, friction works against the box in the direction opposite to the box's motion. When you go down a slide, friction works opposite to your downward movement. When you slam on the brakes and go sliding, friction works opposite to your direction of skid, helping to eventually stop your Friction
Friction is the force exerted by the surface of an object when another object moves against it. Friction occurs in the direction opposite to motion, and because of this, it is a force that affects the motion of objects. When you push a box across the floor, friction works against the box in the direction opposite to the box's motion. When you go down a slide, friction works opposite to your downward movement. When you slam on the brakes and go sliding, friction works opposite to your direction of skid, helping to eventually stop your Friction
Rolling Friction
Rolling friction is the resistive force that slows down the motion of a rolling ball or wheel. It is also called rolling resistance.
When a force or torque is applied to a stationary wheel, there is a small static rolling friction force holding back the rolling motion. However, resistance from static sliding friction is what really causes the wheel to start rolling. Rolling friction hinders the motion of an object rolling on a surface, that means it slows down the motion of an object rolling on a surface.
Examples: It slows down a ball rolling on a surface and it slows down the motion of tire rolling on the surface.
Like sliding friction here also another force is required to keep the object in motion, in case of pedaling bicycle the bicyclist provides the force which is required for the bicycle to be in motion.
Fluid Friction
Here on Earth we tend to take air resistance (aka.“drag”) for granted. We just assume that when we throw a ball, launch an aircraft, deorbit a spacecraft, or fire a bullet from a gun, that the act of it traveling through our atmosphere will naturally slow it down. But what is the reason for this? Just how is air able to slow an object down, whether it is in free-fall or in flight? Air friction is experienced by the objects moving through the open air. Air friction acts between the object and the air through which it is moving. It is also called drag. This force depends upon the object's shape, material, speed with which it is moving and the viscosity of the fluid. Viscosity is the measure of the resistance of the air to flow and it differs from one density another.
Example: It slow downs the motion of airplane flying in the air, here the engine of the airplane helps the plane to overcome the fluid friction and move forward.