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Which is greater 9.1 or 9.0999?

9.1, because 9.09999 is on the verge of becoming 9.1. There is no number just after the decimal point, which makes 9.1 the larger number.


The coefficients of friction between a block of mass 1 kg and a surface are s0.64 and k0.42 Assume the only other force acting on the block is that due to gravity what is the magnitude of the fr?

In order for the frictional force to come into play the block must be moving or on the verge of moving. The Frictional force opposes the motion of the block or its "impending" motion. If the block is just sitting on a table with no horizontal forces trying to get it moving then the frictional force is zero.


What is the relationship between angle of friction and co-efficient of friction?

The angle of friction is the angle at which an object on a surface is on the verge of sliding. The coefficient of friction is a measure of the resistance to sliding between two surfaces. The tangent of the angle of friction is equal to the coefficient of friction between the surfaces.


What is maximum friction?

The maximum friction force is the force that occurs when an object is on the verge of moving or sliding. This force is equal to the coefficient of friction (μ) multiplied by the normal force acting on the object.


How did mechanical clocks come about?

Mechanical clocks evolved from earlier timekeeping devices like sundials and water clocks. The invention of the verge escapement in Europe during the late 13th century greatly improved the accuracy of mechanical clocks. Over time, advancements in gear technology and power sources (such as weights and springs) further refined the design and functionality of mechanical clocks.