a lead brick rests horizontally on cylinders A and B. The areas of the top faces of the cylinders are related by AA = 2AB; the Young’s moduli of the cylinders are related by EA = 2EB. The cylinders had identical lengths before the brick was placed on them. What fraction of the brick’s mass is supported (a) by cylinder A and (b) by cylinder B? The horizontal distances between the center of mass of the brick and the centerlines of the cylinders are dA for cylinder A and dB for cylinder B. (c) What is the ratio dA/dB?
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.
a lead brick rests
horizontally on cylinders A and B.
The areas of the top faces of the cylinders
are related by AA = 2AB; the
Young’s moduli of the cylinders
are related by EA = 2EB. The cylinders
had identical lengths before the
brick was placed on them. What
fraction of the brick’s mass is supported
(a) by cylinder A and (b) by
cylinder B? The horizontal distances
between the center of mass of the
brick and the centerlines of the
cylinders are dA for cylinder A and
dB for cylinder B. (c) What is the ratio dA/dB?
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