Example #2A block with mass m = 5 kg sits on a surface with a coefficient...

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Physics

Example #2A block with mass m = 5 kg sits on a surface with acoefficient of static friction sk= 0.5 and a coefficient of kineticfriction uk= 0.3. a)If you can pull on the block at any angle, whatminimum force is required to break static friction and cause theblock to slide? b)What is the optimal angle to pull at? c)If youpull at the optimal angle with the minimum force, what will theacceleration of the block be once static friction is broken?

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along vertical Fn Fsintheta mg normal force Fn mg Fsintheta frictional force fs usFn usmg Fsintheta when the    See Answer
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