When an acrobat walks on a tightrope, she extends her arms straight out from her sides. She does this to make it easier for her to catch herself if she should tip to one side or the other. Explain how this works.

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Q: A student sits on a freely rotating stool holding two weights each of mass 5.00kg when his arms are…

A: Mass of each weight (m)= 5 kg initial distance of each mass from axis of rotation (d) = 1.5 m Final…

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A: Given:- From the figure given in the question  F1= 10 N F2= 10 N The length of the rod is L= 100 cm.…

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Q: A professor's office door is 0.99 mm wide, 2.1 mm high, 4.2 cm thick; has a mass of 28 kg, and…

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Q: A child raises her arms to balance on a beam.  The action makes it easier for her to balance because…

A: The moment of inertia of a child represents how much that child can resist the rotation. The moment…

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Q: A tightrope walker is walking between two buildings holding a pole with length ?=14.5 m and mass ?p…

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Q: A uniform thin rod of length 0.100 m and mass 4.20 kg can rotate in a horizontal plane about a…

A: Given :- length of rod(l) = 0.100 m mass of rod (M) = 4.20 Kg mass of bullet = 3.00 g = 3 *10-3 Kg…

Q: The meterstick shown is 100 cm long. It is free to pivot around its center of gravity (CG), which is…

A: We are given the meter scale. We are given a weight hanging on one side. We are also given distance…

Q: Question 4: Determine the moment of inertia of the section about its base a-a. 5" 3 17" 6" a

A: The section is shown below.

Q: Calculate the resultant of the system of forces shown and the summation of Moment at Mo

A: In this question we have to calculate the resultant of the system of forces shown and the summation…

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Q: NO AI PLEASE

A: (a) Torque due to the weight (W) Given:Weight of the engine (W)=12000NDistance from the axis to the…

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A: Since you have posted a question with multiple subparts we will solve the first three subparts for…

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Q: A child raises her arms to balance on a beam. This action makes it easier for her to balance because…

A: The moment of inertia of a child describes how much that child can resist the rotation. The moment…

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Q: A hollow sphere has a mass of 15 kg, an inner radius of 12 cm and an outer radius of 18 cm. What is…

A: To find out the rotation inertia of the sphere passing through its centre.

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A: Given equation, gh = 1v2 + 12Iv2r2 The ball is rolled down from an inclined plane of height is given…

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A: Draw the free-body diagram of the wheel as shown below:

Q: On an old-fashioned rotating piano stool, a student sits holding a pair of dumbbells at a distance…

A: The initial moment of inertia of the system was Ii=(5+2×5×0.602) kg.m2=8.6 kg.m2 The initial angular…

Q: Multiple-Concept Example 10 reviews the approach and some of the concepts that are pertinent to this…

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Q: Use g=10m/s/s A 500 gram meter stick has a center of mass at the 50 cm mark. You place a pivot at…

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Q: A uniform solid cylindrical log begins rolling without slipping down a ramp that rises 28.0° above…

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Q: The body in the figure is pivoted at O, and two forces act on it as shown. If r₁ = 1.01 m, r₂ = 3.04…

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Q: Determine the moment associated with the pair of 445-N forces applied to the T-shaped structure. 445…

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Q: An ice cream mixer accelerates from rest to 3.80 rad/s in 1.24 s. If the net torque on the ice cream…

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Q: To get up on the roof, a person (mass 70.0 kg) places a 6.00 m aluminum ladder (mass 10.0 kg)…

A: Given data: M=70.0 kg m=10.0 kg l=6 m x=2 m xcm=2m X=3 m where, M is the Mass of the person m Mass…

Q: Problem 10. Rotational Dynamics: A uniform disk is mounted on a frictionless axle at its center. The…

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Q: Multiple-Concept Example 10 reviews the approach and some of the concepts that are pertinent to this…

A: initial velocity (u) = 0 m/s final velocity (v) = 3.1 m/s time (t) = 0.13 seconds

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Q: A B C D Segment A Given the graph above of angular acceleration versus time for a rigid body…

A: The given graph is angular acceleration versus time for a rigid body rotating about fixed axis. We…