1. A ramp is 5 meters tall. It takes a person 25 N of force to slide a box up the ramp,
which is 20 m long from the ground to the top, how much work would be done a
10 kg box?
2.From question number 1. Instead of sliding the box up the ramp, how much work
would the person do if that person lifted the box to the top of the ramp?
Answers: 3
Physics, 22.06.2019 13:40, mvongphakdy8746
Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.
Answers: 2
1. A ramp is 5 meters tall. It takes a person 25 N of force to slide a box up the ramp,
which is 20...
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