The beam in the figure it’s 6.0 meters long and has a mass of 15kg. A crate with a mass of 30kg hangs from the 5.0 meter mark. Calculate the tension in the wire using the attachment of the beam to the wall as the pivot point. - redraw the figure with all forces acting.

The beam in the figure it’s 6.0 meters long and has a mass of 15kg. A crate with a mass of 30kg hangs from the 5.0 meter mark. Calculate the tension in the wire using the attachment of the beam to the wall as the pivot point. - redraw the figure with all forces acting.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter12: Rotation I: Kinematics And Dynamics

Section: Chapter Questions

Problem 14PQ

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Concept explainers

Rotational Equilibrium And Rotational Dynamics

In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics.

Equilibrium of Forces

The tension created on one body during push or pull is known as force.

Question

Conditions of static equilibrium:
ΣΕx = 0
Σ Fx = 0
T = la Fr sin 0
=
L = Iw
Moment of inertia: 1 = [mr₁²
A ring: 1 = MR²
A sphere: 1 = 2/5 MR²
Στον = ΣΤccw
= mvr
KE = ½ 1w²
A disc: 1 = 2 MR²
A rod:
1 = 1/3 ML²

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