Express all your answers in whole numbers. Reminder: Force is not equal to mass. (g-9.8m/s)2 175 15 125 1Meters0.75 0.5 02125 1.5 175 2MetersAn unknown object is placed on the right side of a balancing beam which is in rotational equilibrium. Use theinformation in the figure above to calculate the magnitude of the following:NmNmofNmTnetMass of unknown object = 20kg

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Answered: Express all your answers in whole…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section8.3: Equilibrium

Problem 39PP

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Answer yes or no to the following questions. (a) Is it possible to calculate the torque acting on a rigid object without specifying an axis of rotation? (b) Is the torque independent of the location of the axis of rotation?
A rod 7.0 in long is pivoted at a point 2.0 m from the left end. A downward force of 50 N acts at the left end, and a downward force of 200 N acts at the right end. At what distance to the right of the pivot can a third force of 300 N acting upward be placed to produce rotational equilibrium? Sole: Neglect the weight of the rod. (a) 1.0 m (b) 2.0 m (c) 3.0 m (d) 4.0 m (e) 3.5 m
Two flywheel fo negligible mass and different radii are bounded together and rotate about common axis (see below). The smaller flywheel of radius 30 cm has a cord that has a pulling force of 50 N on it. What pulling force needs to be applied to the cord connecting the larger flywheel of radius 50 cm such that the combination does not rotate?
What three factors affect the torque created by a force relative to a specific pivot point?
A rigid body is rotating counterclockwise about a fixed axis. Each of the following pairs of quantities represents an initial angular position and a final angular position of the rigid body. Which of the sets can occur only if the rigid body rotates through more than 180? (a) 3 rad, 6 rad; (b) 1 rad, 1 rad; (c) 1 rad, 5 rad.
A rigid body is rotating counterclockwise about a fixed axis. Each of the following pairs of quantities represents an initial angular position and a final angular position of the rigid body. Which of the sets can occur only if the rigid body rotates through more than 180? (a) 3 rad, 6 rad; (b) 1 rad, 1 rad; (c) 1 rad, 5 rad.
My book has the answers as a) 10N b) 196N But I can't figure out the proper way to work it out. I figured you start by using torque and the weight of the board plus the forces of each support to make a equation for Fn1. Then once you solve for it go back and make a equation for Fn2. But I'm not getting the answers in my book when I do this.
Three forces are applied to a wheel of radius 0.350 mm, as shown in the figure below. One force is perpendicular to the rim, one is tangent to it, and the other one makes a 40.0∘∘ angle with the radius. Let F1=12.4N, F2=14.2N, and F3=8.50N. 1) What is the net torque on the wheel due to these three forces for an axis perpendicular to the wheel and passing through its center? Let counterclockwise torques be positive. Express your answer in newton-meters.
Three forces are applied to a wheel of radius 0.350 mm, as shown in the figure below. One force is perpendicular to the rim, one is tangent to it, and the other one makes a 40.0 degrees angle with the radius. Let F1=12.4N, F2=14.2N, and F3=8.50N. 1) What is the net torque on the wheel due to these three forces for an axis perpendicular to the wheel and passing through its center? Let counterclockwise torques be positive. Express your answer in newton-meters.
Tweedledum and Tweedledee are carrying a uniform wooden board that is LLL = 3.00 mm long and has a weight of w = 160 N. Tweedledum applies an upward force of magnitude F1 = 60.0 NN at the left end of the board. Which of the following is the correct equation for Στ for the given rotation axis? All rotation axes lie on the x-axis and torques that would cause a counterclockwise rotation are positive. Enter the letter(s) of the correct equation(s) in alphabetical order. For instance, if you thought that choices A, B, and D were correct, you would enter ABD. Answer Choices: Axis of Rotation Et A x=0 (1/2)wL+F2d=0 B x=L (1/2)wL-F2(L-d)-F1L=0 C x=0 (-1/2)wL+F2d=0 D x=d -F1d-F2(d-(1/2)L)=0 E x=(1/2)L (-1/2)F1L+F2(d-(1/2)L) F x=(1/2)L (1/2)F1L+F2(d-(1/2)L)
Find the magnitude of the net torque on the wheel in Figure below about the axle through O, taking a=10cm, b=34cm. The magnitude of the applied forces are F1=16N, F2=16N, and F3=22N. Provide your answer in units of m⋅N and round off your answer to 2 decimal places.
(Figure 1) shows a uniform 2.0 kg rod that can pivot in a vertical plane on an axle. We want to find the net torque about the axle. For each of the four forces F 1→1, F 2→2, Fgrav→ and F axle→, is the torque about the axle positive (+), negative (-), or zero (0)?

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