100 Level Mechanical Engineering Department exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
a) With the aid of a simple experiment show that static friction is greater than sliding friction.
b) The table of a planning machine has a mass of 1000kg. If the coefficient of friction is 0.5, find the force that will cause the table to move steadily along the slide. (g = 9.81m/s\(^2\)).
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![A body of mass 25kg, moving at 3ms-1 on a rough horizontal floor is at rest after sliding through a distance of 2.50m on the floor. Calculate the co-efficient of sliding friction. [g = 10.0ms-2]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A body of mass 25kg, moving at 3ms-1 on a rough horizontal floor is at rest after sliding through a distance of 2.50m on the floor. Calculate the co-efficient of sliding friction. [g = 10.0ms-2]")