AP Physics 1Torque, Angular Momentum Problems1. In a hurry to catch a cab, you rush through a frictionless swinging door andonto the sidewalk. The force you exerted on the door was 50.0 N, appliedperpendicular to the plane of the door. The door is 1.00 m wide. Assumingthat you pushed the door at its edge, what was the torque on the swingingdoor (taking the hinge as the pivot point)?1.00 m2. What is the distance x in the figure below?650.0 N

(1): Torque on the body is given by:τ=rFsin(θ)where, r is the perpendicular distance from the…

Answered: AP Physics 1 Torque, Angular Momentum…

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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Text Predictions: On e to search w S 4. Rank the torques in order from largest to smallest: A: mass mo, radius ro B: mass 2mo, radius ro 2Fo Fo Accessibility: Investigate 5 X alt E D || C R F 1 T JL G 6 B H C: mass mo, radius 2ro 7 hp 8 U J N A Fo M D: mass 2mo, radius 2ro fio ( JO O K > O L 2Fo Focus AA CO 441 + = 4- { PUOL Р 46 alt 80°F insert ? 8:40 AM 6/14/202 prt sc backace
A 1.8 kg bicycle tire with a radius of 31 cm rotates with an angular speed of 155 rpm. Part A Find the angular momentum of the tire, assuming it can be modeled as a hoop. Express your answer using two significant figures. L = ΠΙ ΑΣΦ www ? kg m²/s .
You and your friend ride a merry-go round. You sit further away from center (2r) but your friend sits closer to the center (r). If the angular speed of the system is a constant, what can you say about following for you and your friend?a. linear speed? b. Angular speed?c. radial acceleration?b. tangential acceleration? 2c. if the ride starts with zero angular speed and run with constant angular acceleration of 2.00 rad/sradius 4m circle., calculate final angular displacement and linear displacement you and your friend travel?
2. A yo-yo consists of two solid disks, each of mass M and radius 3R. The two disks are connected by a rod of radius R and negligible mass. Assume the yo-yo starts at rest. a. Use the view on the right to draw the extended free body 3R diagram for the yo-yo. b. What is the moment of inertia of the yo-yo about an axis through its symmetry axis? м м c. Write Newton's 2nd law for the yo-yo. Choose your coordinate system carefully. d. Write the rotational form of Newton's 2nd law for the yo-yo. Treat the center of mass as being at the axis of rotation. Choose the positive direction of the rotation so a is positive. e. The point where the yoyo is momentarily at rest is where the string contacts the rod of the yo-yo. Use this to obtain a relation between the acceleration of the center of mass and the angular acceleration. f. Determine the linear acceleration of the yo-yo.
A. x x 4e a ñ I8 Paragraph Styles Dictate In a downtown office building, you notice each of the four sections of a rotating door has a mass of 85 kg. What is the width, in meters, of each section of the door if a force of 62 N applied to the outer edge of a section produces an angular acceleration of 0.440 rad/s2? 02 | - 三山告

Figure m₁ L Rod of mass M AL AL 1 of 1 m2 Rotation axis Part A Determine the moment of inertia about the axis of the object shown in the figure (Figure 1). Enter your answer in terms of L, M, m₁, and m2. VD ΑΣΦ Submit Provide Feedback Request Answer ?
What is the angular momentum L of a thin disk about its central axis if the disk is 19.0 cm in diameter, has a mass of 2.50 kg, and rotates at a constant 1.25 rad/s? kg-m² L =
M,R A dumbbell with mass 3M, radius R, and moment of inertia - MR2 is on an 3M incline of angle 0. There is sufficient friction on the incline so that the dumbbell rolls without slipping. The dumbbell is connected by a massless cord passing over a pulley of mass M and radius R (I = ½MR²) to a hanging mass M as shown below. The system starts from rest. M Draw free-body diagrams for the dumbbell (including one for torques), the pulley, and the (а) hanging mass, noting the coordinates used and the positive direction for torque, if applicable. Write down the translational and/or rotational forms of Newton's Second Law for the (b) three objects in the system. What is the acceleration of the system?
Two big bugs, Buzz and Crunchy each of mass 0.65 kg, are siting on a spinning disk on a horizontal plane. Buzz is sitting halfway and Crunchy is sitting at the outer edge as shown. The radius of the disk is 3 m and it rotates once every 1.2 s. What is the magnitude of the net force on Buzz, in Newtons? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
Three children are riding on the edge of a merry-go-round that is 102 kg, has a 1.60 m radius, and is spinning at 17.3 rpm. The children have masses of 22.4, 30.5, and 40.8 kg. If the child who has a mass of 40.8 kg moves to the center of the merry-go-round, what is the new angular velocity in rpm? rpm
F3
You are working on a design for a new art installation at the Bo Bartlett Hall at CSU's downtown campus, and your specialty is kinetic art. For the latest installation, you need a solid spinning disk. The disk you have has a mass of mass 15 kg and diameter 2.8 m is rotating at 2.4 rad/s. What is the magnitude of its' angular momentum if it spins about its center? 35 kg m²/s 18 kg m²/s 53 kg m²/s 70 kg m²/s

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