11th Edition

ISBN: 9780134241173

Author: GUNDERSEN

Publisher: YUZU

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Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

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Textbook Question

Chapter 9.6, Problem 7P

A driver gear has 36 teeth and makes 85.0 rpm. Find the rpm of the driven gear with 72 teeth.

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Chapter 9.6, Problem 6P

Chapter 9.6, Problem 8P

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For each of the actions depicted below, a magnet and/or metal loop moves with velocity v→ (v→ is constant and has the same magnitude in all parts). Determine whether a current is induced in the metal loop. If so, indicate the direction of the current in the loop, either clockwise or counterclockwise when seen from the right of the loop. The axis of the magnet is lined up with the center of the loop. For the action depicted in (Figure 5), indicate the direction of the induced current in the loop (clockwise, counterclockwise or zero, when seen from the right of the loop). I know that the current is clockwise, I just dont understand why. Please fully explain why it's clockwise, Thank you

A planar double pendulum consists of two point masses \[m_1 = 1.00~\mathrm{kg}, \qquad m_2 = 1.00~\mathrm{kg}\]connected by massless, rigid rods of lengths \[L_1 = 1.00~\mathrm{m}, \qquad L_2 = 1.20~\mathrm{m}.\]The upper rod is hinged to a fixed pivot; gravity acts vertically downward with\[g = 9.81~\mathrm{m\,s^{-2}}.\]Define the generalized coordinates \(\theta_1,\theta_2\) as the angles each rod makes with thedownward vertical (positive anticlockwise, measured in radians unless stated otherwise).At \(t=0\) the system is released from rest with \[\theta_1(0)=120^{\circ}, \qquad\theta_2(0)=-10^{\circ}, \qquad\dot{\theta}_1(0)=\dot{\theta}_2(0)=0 .\]Using the exact nonlinear equations of motion (no small-angle or planar-pendulumapproximations) and assuming the rods never stretch or slip, determine the angle\(\theta_2\) at the instant\[t = 10.0~\mathrm{s}.\]Give the result in degrees, in the interval \((-180^{\circ},180^{\circ}]\).

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Chapter 9 Solutions

EBK APPLIED PHYSICS

Ch. 9.1 - Convert 612 revolutions a. to radians. b. to...Ch. 9.1 - Convert 2880 a. to revolutions. b. to radians.Ch. 9.1 - Convert 25 rad a. to revolutions. b. to degrees.Ch. 9.1 - Convert 12.0 revolutions a. to radians. b. to...Ch. 9.1 - Number of revolutions = 525 t = 3.42 min = ______...Ch. 9.1 - Number of revolutions = 7360 t = 37.0 s = _______...Ch. 9.1 - Number of revolutions = 4.00 t = 3.00 s =...Ch. 9.1 - Number of re volutions = 325 t = 5.00 min =...Ch. 9.1 - Number of revolutions = 6370 t = 18.0s = ________...Ch. 9.1 - Number of revolutions = 6.25 t = 5.05 s =...

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