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Mostly because of two things. First, there is interaction between molecules of surrounding media and molecules of the body. Second, molecules of the media possess some mass. Thus, to move some molecules you have to spend some energy, but this decreases the speed of the moving body because it loses in this case kinetic energy.
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What factors can effect the amount of friction between two objects?
The force of friction between two objects is the product of the normal force and the coefficient of friction. The normal force is the component of force that is perpendicular to the plane of friction. For example, if you are pushing on a block of wood on the floor with a force F at an angle of 30 degrees above the horizontal, then the normal force N = F sin 30. The coefficient of friction is specific to the two materials, in this example the block of wood and the floor. In addition, there is a static coefficient of friction (applicable to a stationary situation) and a kinetic coefficient of friction (applicable when the object is already moving).
When radiation occurs between two objects do the two objects need to be touching.?
The answer to this question is no. Radiation can occur when objects are not touching
Does water reduce friction?
Water does reduce friction, as the liquid essentially lubricates the surface between the two objects. However, this only applies to affecting other friction. It has its own friction when objects move through a body of water.
What 2 things determine the friction between to objects?
Friction between two objects depends on the static coefficient of friction (if the object is currently not moving) and the normal force from the surface, acting in the direction opposite the direction of gravity.
Does friction cause more energy to be wasted if the object is heavier Why?
Friction between two objects = C X N. where C is the coeffiecient of friction for the objects in question, and N is the 'Normal' force. The normal force is the force equal and opposite to the object's weight. Therefore, if you increase the object's weight, the friction force increases, and the amount of energy wasted increases.
Friction between two flat surfaces can be divided into two categories What are the two most common kinds of friction?
The two most common kinds of friction are static friction, which occurs between stationary objects, and kinetic friction, which occurs between moving objects. Static friction prevents objects from sliding against each other, while kinetic friction resists the motion of sliding objects.
When friction is created between 2 objects the objects create?
When friction is createed between two objects, the objects create static electricity! :D
What type of friction between 2 objects that prevent the object from moving is?
Static friction occurs between two objects that are not moving relative to each other and prevents the objects from sliding against each other.
The two common forms of friction between two sliding surfaces presented in this course are and kinetic friction.?
Static
Which type of friction can best be described as the force between objects that are moving?
Kinetic friction is the type of friction that can best be described as the force between objects that are moving. It occurs when two objects slide or rub against each other.
The type of friction between two moving objects?
The type of friction between two moving objects is kinetic friction. Kinetic friction occurs when two objects are moving relative to each other and is caused by the contact between their surfaces. It opposes the direction of motion and acts to slow down the movement of the objects.
What friction occurs when 2 solid objects are rubbed together?
When two solid objects are rubbed together, kinetic friction occurs. This type of friction opposes the direction of motion between the surfaces of the objects and is caused by the microscopic interactions between the surfaces. The rougher the surfaces and the greater the force pressing the surfaces together, the stronger the kinetic friction.
What does friction between objects produce?
Friction between two objects produces heat.
Describe the 3 types of friction?
Three types of friction are :1. Kinetic friction :Friction that arises between surfaces in relative motion.2. Static friction :Friction that acts between surfaces at rest with respect to each other3. Rolling friction : Friction that occurs when an object rolls over a surface.3_types_of_friction
What is the force exerted only when two objects are touching?
The force exerted only when two objects are touching is called friction. Friction occurs as a result of the resistance between the surfaces of the objects when they move against each other.
What is the resistance to motion that occurs when two objects rub together?
Friction is the resistance to motion that occurs when two objects rub together. It is caused by the interactions between the surfaces of the objects, which create a force that opposes the motion.
What type of charge is transferred when friction between two objects occurs?
When friction occurs between two objects, electrons are transferred from one object to the other. This results in one object becoming positively charged and the other becoming negatively charged.
