Answer to Question #178516 in Classical Mechanics for Zeke Miller

Question #178516

Box A, resting on a ramp, is connected box B through a pulley system. The coefficient of kinetic friction for box A, the height of box B above the ground, and the angle of inclination for the ramp are provided in the information section below. After the boxes are released, how far up the ramp will Box A travel?


m A = 7.0 kg

m B = 4.0 kg

µ kA = 0.10

h = 1.5 m

θ = 20°


1
Expert's answer
2021-04-06T18:25:12-0400

"m_Agsin\\theta-T+F_f=m_Aa,"

"N-m_Agcos\\theta=0,"

"T-m_Bg=m_Ba,"

"F_f=\\mu N,"

"N=m_Agcos \\theta,"

"T=m_B(g+a),"

"a=\\frac{g(m_Asin \\theta-m_B+\\mu m_Acos \n \\theta }{m_A+m_B}=-0.85~\\frac{m}{s^2}<0,"

"l=\\frac{h}{sin\\theta}=4.39~m" down.


Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS