17 Questions
The coefficient of static friction is denoted by the symbol 'initialus'.
False
The coefficient of sliding friction is denoted by the symbol 'µκ'.
True
The frictional force is inversely proportional to the compressive force between two friction bodies.
False
The vertical force exerted by the surface on the body is denoted by 'F'.
False
The coefficient of static friction is used to determine the resistance to motion between two surfaces when one is stationary and the other is moving.
False
The coefficient of friction is represented by 'u' in the formula F = µN.
False
The laws of Sharia friction state that the friction forces depend on the nature of the two contacting surfaces.
False
The wooden piece is weighed using a scale and denoted by letter W in kilograms.
True
Suitable weights are added at the end of the rack representing M in kilograms to ensure the wooden piece moves at a regular speed.
True
The compressive force N is calculated using the equation N = Wg, where g denotes the acceleration due to gravity.
True
The weight W1 in the experiment refers to the mass of the wooden piece.
False
The pulling force in the experiment is calculated as F = Mg, where M represents the mass of the suspended weight.
False
The relationship between the pulling force F and compressive force N is linear in this experiment.
True
The coefficient of shear friction is directly related to the mass of the wooden piece.
False
The method used to find the coefficient of shear friction involves a vertical surface.
False
The weight holder in the experiment is attached to a roller for smooth movement of the wooden piece.
True
The inertial forces are considered when calculating the compressive force N in this experiment.
False
This quiz covers the study of friction between two surfaces and the determination of the coefficient of static and sliding friction using the horizontal surface method. The apparatus required includes a friction coefficient device, a piece of wood, and a weight holder. The theory behind the experiment involves analyzing the pulling force acting on an object placed on a surface.
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