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A student applies a 1

Physics Jan 21, 2021

A student applies a 1.5 N horizontal force on a box of weight 20N on a floor. The static friction coefficient is 0.3. Does the box move? Explain your reasoning and SHOW WORK!

Expert Solution

Horizontal force applied on the box is F=1.5\,N

Weight of box W=mg=20\,N

Normal force on the box is N=mg=20\,N

minimum frictional force necessary to move the box is F_f=\mu N=0.3\times 20=6\,N

F_f>F

which is greater than the applied horizontal force.

So the box does not move.

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