With the help of an activity or an experiment, Show that "Sliding friction < Static friction "

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Dear student,


Place a wooden block on the horizontal surface of a table.A spring balance is attached to the hook of the wooden block.Now increase the force applied to the pull the wooden block a little more. We will see the wooden block begins to slide on the tabletop.The force required to keep an object moving slowly or sliding with the same speed is a measure of the sliding friction.
Hence we proved sliding friction is smaller than static friction.


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