Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 5.00cm and b = 23.0 cm. (Indicate the direction with the sign of your answer. Assume that the positive direction iscounterclockwise.) N m A wheel rotating about an axle is approximated as two concentric circles with the center definedto be O. The radius of the inner circle is a and the radius of the outer circle is b. Three arrows representing individualforces are as follows. An arrow labeled 12.0 N acts on the top left of the inner circle, and points down and to the left at anangle of 30.0° below the horizontal. An arrow labeled 10.0 N acts on the top of the outer circle and points to the right. Anarrow labeled 9.00 N acts on the right of the outer circle and points down.

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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R. M. 4. A solid disk of mass M rolls without slipping down an incline with coefficient of friction u. If the incline was frictionless, how would the translational velocity at the bottom compare? faster slower the same Justify your answer.
DONT MIND THE BIG NUMBER ON THE RIGHT, IT IS JUST FOR NUMBERING. MAKE SURE IT IS CORRECT AND TYPEWRITTEN TO GET AN UPVOTE. NO UPVOTE IF IT IS HANDWRITTEN. THANK YOU
A hoop, a disk, and a solid sphere with equal masses and equal radii, all roll without slipping down an inclined plane starting from rest. Which of the following is NOT true? (Inoop = mr? ; Idisk = mp ; Isolid sphere = mr2) O The force of gravity along the plane will be equal for all. O At the bottom, the rotational kinetic energy will be greatest for the sphere. O At the bottom, the angular velocity about the center of the object will be greatest for the sphere. O At the bottom, the rotational plus translational kinetic energy will be the same for each object. O At the bottom, the translational kinetic energy will be least for the hoop.
Consider the force vector F=<1,1,1/2>. If the magnitude of the torque T=OP*F is equal to the area of the equilateral triangle formed by the origin, P, and (1,-1,1), then determine the acute angle formed by OP and F. Give your answer in degrees.
1. 2. The figure shows multiple solid disks with uniform mass distribution that are spinning about its center. The mass of the disks are the same, but they have different radii, as shown. Rank the disks by the amount of energy needed to spin the disk so that the outer edge of the disk has linear velocity v, from greatest to least. Explain your reasoning. A B C Two students are discussing their previous answer. Student 1: I ranked the largest disk as the greatest amount of energy needed because it has the greatest moment of inertia. Student 2: But, I think we need to also include the angular velocity. Since w=v/r, the angular velocity is smaller for the larger disk and I think all three require the same amount of energy. Do you agree or disagree with either or both of these students? Briefly explain your reasoning.
I need help with this problem, I'm sorry if its not clear enough: 1. M, a solid cylinder (M=1.95 kg, R=0.119 m) pivots on a thin, fixed, frictionless bearing. A string wrapped around the cylinder pulls downward with a force F which equals the weight of a 0.670 kg mass, i.e., F = 6.573 N. Calculate the angular acceleration of the cylinder. I got 5.66×101 rad/s^2 2. If the force F of a mass m = 0.670 kg is hung from the string, find the angular acceleration of the cylinder. 3. How far does m travel downward between 0.390 s and 0.590 s after the motion begins? 4. The cylinder is changed to one with the same mass and radius, but a different moment of inertia. Starting from rest, the mass now moves a distance 0.433 m in a time of 0.530 s. Find Icm of the new cylinder.
Can you show me how to solve this?
During a 5.1 s time interval, a flywheel with a constant angular acceleration turns through 451 radians and acquires an angular velocity of 136 rad/s. (Assume the flywheel is rotating in the positive direction. Indicate the direction with the signs of your answers.) A.)What is the angular velocity (in rad/s) at the beginning of the 5.1 s? B.)What is the angular acceleration of the flywheel (in rad/s2)?
Please answer correctly
I got Part A really well in finding the torque but I am struggling to find the angle theta in part B.
A solid cylindrical pulley with a mass of 1.60 kg and a radius of 0.290 m is free to rotate about its axis. An object of mass 0.270 kg is attached to the pulley with a light string (the figure below). Assume the string does not stretch or slip. "Calculate the tension in the string. (Express your answer to three significant figures.) Submit N Calculate the angular acceleration of the pulley. (Express your answer to three significant figures.) rad/s² Submit f
please answer all the subparts

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