Recent content by Zontar

That's exactly what I did: Package A X: mg sin 20 - uk_a(Fn) + B_A = M_a(a) Package A Y: Fn = mg cos 20 Package B X: mg sin 20 - uk_b(Fn) - A_B = M_b(a) Package B Y: Fn = mg cos 20 What I didn't understand was how they tied together. The solutions manual says to add the two equations...

Homework Statement Two packages at UPS start sliding down a 20 degree incline. Package A has a mass of 5kg and a coefficient of friction of 0.20. Package B has a mass of 10kg and a coefficient of 0.15. Package A is in front of Package B according to a diagram given. The distance between...

Homework Statement A 60kg person is in a head-on collision. The car's speed at impact is 15 m/s. Estimate the net force on the person if they are wearing their seat belt and the air bags deploy. When these two events occur, the passenger decelerates over a distance of 1 m. Homework...