Asked by Bolke
A 3.5 kg mass sits at rest on a rough surface. The surface has the following coefficients of friction: µs = 0.53 and µk = 0.21. Determine the required force to start the object moving?
Answers
Answered by
drwls
The µs "static" friction coefficientr is what determines whether it moves or not.
To make it move, you need a horizontal force of at least
F = M*g*µs = 18.2 N
To make it move, you need a horizontal force of at least
F = M*g*µs = 18.2 N
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