What is Atwood: Definition and 181 Discussions

Roman Bernard Atwood (born May 28, 1983) is an American YouTube personality and prankster. He is best known for his vlogs, where he posts updates about his life. His vlogging channel, "RomanAtwoodVlogs", has a total of 5 billion views and 15 million subscribers. He also has another YouTube channel called "RomanAtwood", where he used to post prank videos. The channel has been inactive since 2016. His pranks have gained over 1.4 billion views and 10.4 million subscribers. He became the second YouTuber after Germán Garmendia to receive two Diamond Play Buttons for his two channels.

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  1. Y

    Double Atwood Machine and acceleration

    Homework Statement The double Atwood machine shown in the figure has frictionless, massless pulleys and cords. http://session.masteringphysics.com/problemAsset/1057076/4/GIANCOLI.ch04.p56.jpg Determine the acceleration of masses mA, mB, and mC. Homework Equations F=ma The Attempt...
  2. R

    Double Atwood Machine and tension

    Homework Statement Find the tension in the string attached to mass 1 and mass 3. Find the acceleration of masses 1,2, and 3. The problem looks similar to the attached image except m1 and m2 are leveled. Express the answers in the given quantities and constants. I will call the tension in the...
  3. J

    Non-ideal atwood machine problem

    [SOLVED] non-ideal atwood machine problem Homework Statement Atwood machine. mass a is 19kg and mass b is 9 kg the pulley itself has diameter of 15cm and mass of 41kg mass A and b are release from rest. How far does mass A move in 2 sec? Homework Equations I = 1/2 mr^2 The...
  4. R

    Why Do Accelerations Differ in These Atwood Machine Configurations?

    Homework Statement In the three figures given in the attachment consisting of three atwood machines with, the blocks A, B and C of mass m have accelerations a1, a2 and a3 respectively.F1 and F2 are external forces of magnitude 2mg and mg acting on the first and third diagrams...
  5. ~christina~

    Atwood Machine and block acceleration

    [SOLVED] Atwood Machine Homework Statement A pulley which is mounted in horizontal frictionless bearings, has a radius of 5.00 cm. One block has mass M = 500 g and the other has mass m = 460 g. When released from rest, the more massive block falls 75 cm in 5.00 s (without the cord...
  6. N

    Atwood machine - find kinetic energy

    1) Massess of 1.00kg and 1.01kg are suspended in a frictionless Atwood machine a) Find acceleration of the 1.010kg mass b) Find the total kinetic energy of the masses 2.50s after being released So for a I set up an equation where a= (1.01-1.00)...
  7. V

    Atwood Clarification: Tensions & Masses

    Homework Statement In a system where the atwood is suspended by a massless string with T3 and M1>m2. M1 is lower than m2. Relate Tensions and masses if it is frictionless, pulley and string are massless. Homework Equations T1 is tension in string holding M1; T2 is tension in string...
  8. ~christina~

    Complete the statement (relates to the atwood machine)

    Homework Statement Completing sentences... When the unbalanced force increases (total mass remaining constant), the acceleration of the system increases When the total mass that is accelerating increases (unbalanced force remains constant), the acceleration of the total system decreases...
  9. ~christina~

    Atwood Machine Lab calculations

    Homework Statement My results are coming out funny and I was wondering if I was doing something wrong. I have to find acceleration due to gravity. one of my values ... m2 (decending mass) = 60g m1(ascending mass)= 50g distance traveled= 95.3cm or .953m time traveled average=...
  10. R

    Calculating Tension in a Two Pulley Atwood Machine

    Homework Statement Calculate the force of tension in the string of an Atwood machine with masses (1 - on right) 69.95 grams, (2 - middle) 80.11 grams, and (3 - on right) 60.28 grams. When this value is determined, verify that the net force in the atwood machine is equal to zero....\...|.../...
  11. G

    Atwood machine Force & Motion problem

    Homework Statement Figure 5-53 shows Atwood's machine, in which two containers are connected by a cord (of negligible mass) passing over a frictionless pulley (also of negligible mass). At time t = 0, container 1 has mass 1.30kg and container 2 has mass 2.80kg, but container 1 is losing...
  12. J

    What is the tension in an Atwood machine when one mass is infinitely large?

    An Atwood machine consists of two blocks (of masses m_1 and m_2) tied together with a massless rope that passes over a fixed, perfect (massless and frictionless) pulley. For all parts of this problem, take upward to be the positive direction and take the gravitational constant, g, to be...
  13. D

    Atwood machine pully problem with a twist

    Homework Statement A simple pulley has two masses on either end, one M1 and one M2. It is easy to find the acceleration of the two masses, and the tension on the rope suspending these masses. The pulley is suspended by a cord, however, and the question asks to find the tension in this cord...
  14. C

    Atwood's Machine Simulation: Determining Height with Given Masses

    help! atwood machine The two masses in the Atwood's machine shown in the figure below are initially at rest at the same height. After they are released, the large mass, m2, falls through a height h and hits the floor, and the small mass, m1, rises through a height h. In this Atwood's...
  15. C

    Atwood Machine: Is g = 9.8 m/s^2?

    Homework Statement Simple question I'm sure, but I want clarification if possible. If you do an experiment with the Atwood machine and you need to calculate 'g', should it be close to 9.8 m/s^2 ? Homework Equations No equations necessary, theoretical question. I would think the Atwood...
  16. J

    Solving a Basic Atwood Machine Setup Problem

    Hi all - Here's the problem I am having trouble with - Basic Atwood machine setup - Two masses are hanging from a pulley m pulley = 2.0kg frictional torque from pulley = .50 Nm radius of pulley = .06m mass1 = 4.0kg mass2 = 2.0kg The system is at rest with mass1...
  17. P

    Atwood machine acceleration problem

    A peculiar Atwood’s machine The Atwood’s machine shown in the figure consists of masses m,m/2,m/4,...,m/(2^(N-1)). All the pulleys and springs are mass less, as usual a) Put a mass m/(2^(N-1)) at the free end of the bottom spring. What are the acceleration s of all the masses b) Remove...
  18. L

    Atwood Lab Report: Evaluation & Conclusion

    Homework Statement Is this enough for an evaluation and conclusion? If not, what do you think I should add? Homework Equations Conclusion : Our graphs further corroborate Newton’s Second law, which states that acceleration is directly proportional the net force, and inversely...
  19. M

    Solving Physics Problem with an Atwood Device

    I am in high school, taking a college Physics for Scientists and Engineers class. I am stuck on one problem concerning an atwood device. I have an atwood device with two masses (m1<m2, m2 higher than m1, connected via a massless string) and a pulley with a mass Mp and radius Rp. The pulley...
  20. T

    Help Need help with an Atwood machine problem.

    I was working on my physics homework and I came across a question that I couldn't find an example of in my notes. I'm not sure which formulas I need to use and in which order to use them. Here's the question: Two objects with masses of 3.00 kg and 5.00 kg are connected by a light...
  21. G

    Solve Modified Atwood Problem: Find T1, T2, T3, T4, T5 & F

    Q: A 10.2 Kg block is held in place by a massless rope passing over two massless, frictionless pulleys. Find the tensions T1, T2, T3, T4, T5 and the magitude of force F. Please see attached file for picture. I know: T1=mg=99.96N My question, since the system is in equilibrium...
  22. R

    How Is Tension Calculated in an Atwood Machine?

    With an Atwood Machine, I understand that the formula for calculating T can be calculated with two simultaneous equations. T-m1g=m1a a= (m2 - m1 ( T – m1
  23. B

    Finding the Mass Combination for 1/2 g Acceleration in an Atwood Machine

    im stuck on the last question of this lab. "what combination or masses would make the accelration of an atwood machine equal to 1/2 g?" a = g (m1 - m2/m1=m2) so i have to find out what m1 and m2 are eual to in that forumula if g = 1/2 im thinking a is equal to 9.81 because the...
  24. P

    What happens when F > 90N in Atwood problem?

    Here’s a question for you all… but first some background (see jpeg attachment for sketch) Assuming all surfaces are frictionless (5kg on horizontal surface, two 2kg blocks on 5kg block), and the pulley has no mass, with what horizontal force applied to the 5kg block will the two 2kg...
  25. M

    Atwood Machine Help: Magnitude of T When M1 Goes to Infinity

    An atwood machine holds two masses at its ends by a massless rope. m1 and m2. Assume the pully is frictionless. What will the magnitude of the tension(T) go to as m1 goes to infinity but m2 stays the same? Im very lost on this problem. I have drawn a free body diagram showing m1g and m2g...
  26. U

    What is the solution to the Atwood machine problem with given variables?

    I have been working on this problem off-and-on for a couple of days now and cannot seem to get the correct answer. The problem is an Atwood machine problem. The following are the variables: Mass of pulley = .20 kg Radius of pulley = .15 m Clockwise frictional torque = .35 m*N Mass 1 on...
  27. S

    Solving the Atwood Machine - Descending Mass

    In the Atwood machine regular 2 mass machine,m1= 2.20kg and m2=7.30kg . The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp push that sets it into motion at an initial...
  28. E

    Atwood Machine simulation problem

    Need a check on this one please. In an Atwood Machine simulation, m1 is 1.0kg and m2 is 1.1kg. m2 rests on the floor that exerts a normal force, Fn, on m2. when the system is in equalibrium, the tension, T, in the rope at 2.54s is 9.789. If Fn +T- m2*g = 0 then Fn = .991. Is this correct?
  29. S

    Why Does the Atwood Machine Problem Calculation Differ from Expected?

    I was given this problem below in my physics homework. :cry: http://www.turbozcar.com/images/knight.Figure.08.40.jpg It wants to know the acceleration of m1. I couldn't figure it out, so the next day a friend in class gave me the answer to be: (2*m_2*g)/(4*m_1+m_2) I took that...
  30. E

    How to Solve an Atwood Machine Problem with a Pulley

    Need closure (if not guidance) on this problem also: An Atwood machine consists of two masses, m_1 and m_2, which are connected by a massless inelastic cord that passes over a pulley. If the puley has radius r and moment of inertia I about its axle, determine the acceleration of the masses...
  31. T

    How Can You Calculate Gravity Using an Atwood Machine?

    There is a problem in my physcs book that I have been trying to solve for some time now, and I just can't get trough it. If someone could help me a little bit, it would really be great. My question is about the Atwood machine. There are two blocks of same weight (M) suspended on a rope of...
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