Pulley APulley BSpringScaleSpringScaleFigure 1(a) Two identical spring scales are each attached to acord that is wrapped around a pulley, as shown in Figure1. The two pulleys have identical mass M, and radiusRp. However, Pulley A is a solid disk, whereas Pulley Bhas most of its mass located at its outer rim. Bothpulleys can rotate about their centers with negligiblefriction in their axles.The pulleys are initially at rest when the two springscales are pulled with the same constant force Fs,causing both pulleys to rotate. Predict which of thepulleys, if either, will complete one revolution first.- Pulley Acomplete one revolution at the same time.Pulley BBoth pulleys willWithout writing or manipulating equations, providereasoning for your selection.Ix?X2 3 ĈΩ...II

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Pulley A Pulley B Spring Scale Spring Scale Figure 1 (a) Two identical spring scales are each attached to a cord that is wrapped around a pulley, as shown in Figure 1. The two pulleys have identical mass M, and radius Rp. However, Pulley A is a solid disk, whereas Pulley B has most of its mass located at its outer rim. Both

Pulley A Pulley B Spring Scale Spring Scale Figure 1 (a) Two identical spring scales are each attached to a cord that is wrapped around a pulley, as shown in Figure 1. The two pulleys have identical mass M, and radius Rp. However, Pulley A is a solid disk, whereas Pulley B has most of its mass located at its outer rim. Both

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter10: Rotational Motion And Angular Momentum

Section: Chapter Questions

Problem 3PE: Integrated Concepts You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is...

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Integrated Concepts You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is turning at 90.0 rpm, and you press a steel axe against it with a radial force of 20.0 N. (a) Assuming the kinetic coefficient of friction between steel and stone is 0.20, calculate the angular acceleration of the grindstone. (b) How many turns will the stone make before coming to rest?
A thin, light string is wrapped around the rim of a 3.75-kgkg, solid, uniform disk (similar to a puck on ice without friction) that is 33.0 cmcm in diameter. A person pulls on the string with a constant force of 98.00 NN tangent to the disk, as shown in the figure below (Figure 1). The disk is not attached to anything and is free to move and turn. Part A Find the angular acceleration of the disk about its center of mass. Express your answer in radians per second squared. Part B Find the linear acceleration of its center of mass. Express your answer in meters per second squared. Part C If the disk is replaced by a hollow, thin-walled cylinder of the same mass and diameter, what will be the angular acceleration of the disk about its center of mass? Express your answer in radians per second squared. Part D If the disk is replaced by a hollow, thin-walled cylinder of the same mass and diameter, what will be the linear acceleration of its center of mass? Express your…
A bicycle wheel undergoes a rotational motion at a constant rate of 1.2 rev/s2. If the wheel starts from rest, what is the wheel’s rotational velocity and how many revolutions did the wheel turn after 4 seconds?
The 540 g bar is rotating as shown in (Figure 1). What is the angular momentum of the bar about the axle? Express your answer to two significant figures and include the appropriate units.
Greetings thank you for your help...i appreciate you please write legibly thank you A truck with 0.420-m-radius tires travels at 32.0 m/s. Whatis the angular velocity of the rotating tires in radians persecond? What is this in rev/min?
Suppose a child walks from the outer edge of a rotating merry-go round to the inside. Does the angular velocity of the merry-go-round increase, decrease, or remain the same? Explain your answer. Figure 5. A child may jump off a merry-go-round in a variety of directions.
To understand how to use conservation of angular momentum to solve problems involving collisions of rotating bodies. Consider a turntable to be a circular disk of moment of inertia ItItI_t rotating at a constant angular velocity ωiωiomega_i (note that angular velocities use the Greek letter omega and not double-u) around an axis through the center and perpendicular to the plane of the disk (the disk's "primary axis of symmetry") as shown in (Figure 1). The axis of the disk is vertical and the disk is supported by frictionless bearings. The motor of the turntable is off, so there is no external torque being applied to the axis. Another disk (a record) is dropped onto the first such that it lands coaxially (the axes coincide). The moment of inertia of the record is IrIr. The initial angular velocity of the second disk is zero. There is friction between the two disks. After this "rotational collision," the disks will eventually rotate with the same angular velocity. Part A: What is the…
A bicycle wheel is spinning at a constantspeed. You note that a piece of tape on theedge of the wheel completes 25 fullrotations in 19 seconds. What is the angularfrequency of the bicycle wheel?
Torque and Force How much torque do you need to apply to a 1kg disk of radius 10cm to get an angular acceleration of 3 rads/s2. How much force do you need to exert on the edge of the disk to achieve this torque? Assume the disk is rotating about an axis through its center perpendicular to its face, and you are applying the force perpendicular to the radius of the desk, as you were spinning thre disk with your hand.
Answer all of this please, Thank you! *List some types of rotating objects and how are they important to society. *List down 3 sports/events that utilizes the concept of Torque and briefly explain how this concept is used. * On a rotating carousel or merry-go-round, one child sits on a horse near the outer edge and another child sits on a lion halfway out from the center. Which child has the greater linear velocity? Which child has the greater angular velocity?
For each question, use degrees NOT radians. Healthcare professionals, when measuring range of motion (ROM) and isokinetic strength, use degrees - so this assignment will use answers in degrees as well. A person is laying on their stomach doing a hamstring curl. They go from fully extended (0o) to 130o of flexion. What is their angular displacement if the person is on their stomach with their head facing left (feet pointing right)?
A record turntable starts from rest and then spins up to 33.3 rpm’s. A beetle lands on the record after it is at its operating speed by the center and then walks out towards the edge. How does the angular and tangential velocity change as the beetle moves?