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Pushing force with friction
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[QUOTE="PiRho31416, post: 4909625, member: 280112"] I just want to check to see if I did the problem correctly. A person pushes a 2.0 kg box across a flat, horizontal surface with a force of 5.0 N for 4.0 m. Determine the acceleration of a box if the friction coefficient is 0.2. Determine the acceleration of the box if the friction coefficient is 0.2. First, we need to find the static force. [tex] F_s= \mu F_n = (0.2) (2 \cdot 9.81) = 3.924 \ N [/tex] Then, we need to find the net force. [tex] F_{net} = 5 \ N - 3.924 \ N = 1.076 \ N[/tex] Then, finally, the acceleration of the box is: [tex] F=ma \Rightarrow 1.076 = (2 \ kg) \ a \Rightarrow \boxed{a=0.538 m/s^2}[/tex] Is that right? Any help is appreciated. [/QUOTE]
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Pushing force with friction
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