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How can one determine the friction coefficient between two surfaces?
To determine the friction coefficient between two surfaces, one can conduct an experiment using a known force and measuring the resulting frictional force. By dividing the frictional force by the applied force, the friction coefficient can be calculated.
What is a turning force?
A turning force, also known as torque, is the rotational equivalent of linear force. It causes an object to rotate around an axis. The magnitude of the torque is determined by the force applied and the distance from the axis of rotation.
Why frictional force is known as non conservative force?
Frictional force is known as a non-conservative force because it depends on the path taken by an object and not just on the initial and final positions. Work done against friction to overcome it does not depend solely on the initial and final positions, making it non-conservative. Energy is dissipated as heat in overcoming friction, leading to a loss of mechanical energy.
What is applying a force through a distance known as?
We do work when we apply a force through a distance.
What is the force when two things grind past each other?
The force when two things grind past each other is known as frictional force. Frictional force opposes the relative motion or tendency of motion between the two surfaces in contact. This force is influenced by factors such as the nature of the surfaces and the magnitude of the normal force pressing the surfaces together.
What is frictional resistance due to motion through air?
Frictional resistance due to motion through air is the force that opposes the movement of an object through the air. It is caused by air particles colliding with the surface of the object, creating a drag force that slows down the object's motion. The amount of frictional resistance depends on factors like the object's shape, speed, and the viscosity of the air.
Define moment and moment of a force?
A moment, also known as torque, is a measure of the tendency of a force to cause an object to rotate around an axis or point. It is calculated by multiplying the magnitude of the force by the perpendicular distance from the line of action of the force to the axis of rotation. The moment of a force is the product of the force and the perpendicular distance from the point of rotation to the line of action of the force. It is a vector quantity that describes how much a force tends to make an object rotate. Moments are important in physics and engineering for understanding the effects of forces on objects and structures.
Why can you hold an eraser against the board and prevent it from slipping down vertically by applying a horizontal force?
When you apply a horizontal force on the eraser, it creates a frictional force between the eraser and the board in the opposite horizontal direction. This frictional force counteracts the force of gravity acting on the eraser, preventing it from slipping down vertically. This is known as static friction, where the surfaces are not sliding past each other.
What is the name of the force that always acts against the direction of movement?
In geneal frictional force. If it rubs against a surface then it is known to be friction. If it drags the moving body then it is said to be viscous drag.
What is applying a force through distance is know as?
The work done by applying a force through a distance is known as mechanical work. It is calculated by multiplying the magnitude of the force by the distance it is applied over, and it results in the transfer of energy to the object being moved.
In physics what is the product of the force applied and the distance moved in the direction of the force?
The product of the force applied and the distance moved in the direction of the force is known as work. Work is calculated as the force multiplied by the distance, and it represents the amount of energy transferred to an object when force is applied to move it over a certain distance.
What is a quantity that measures how much a machine multiplies force or distance?
The quantity that measures how much a machine multiplies force or distance is known as mechanical advantage. It is calculated as the ratio of the output force to the input force, or the ratio of the input distance to the output distance in a machine.
