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[DOCX File]North Allegheny School District
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The kinetic energy of the entire rotating body, then, is the sum of the kinetic energies of the particles: Definition of Rotational Kinetic Energy. The rotational kinetic energy of a rigid object rotating with an angular speed about a fixed axis and having a moment of inertia ...
examples of kinetic and potential energy

[DOC File]Physics 113 Midterm 1 - Wake Forest University
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What is the moment of inertia of this rigid body about an axis perpendicular to the rod and through the center of mass? a. 0.48 kg ( m2. b. 0.50 kg ( m2. c. 1.2 kg ( m2. d. 0.80 kg ( m2. e. 0.70 kg ( m2. 49. The rigid body shown is rotated about an axis perpendicular to the paper and through the point P.
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[DOC File]MOMENT OF INERTIA
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: The kinetic energy associated with the rotation of a rigid body about an axis . L. can be written in the familiar form as . IL 2/2. It is thus clear that the quantity . IL. should have the similar meaning as the mass, as one compares with the kinetic energy expression of a particle in linear motion: mV. 2/2. The quantity . IL
rotational kinetic energy

[DOC File]Chapter 9 – Rotation of Rigid Bodies
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A rigid body is rotating around the z-axis with an angular velocity . Start by looking at the kinetic energy associated with a small part of the rigid body. The part has a mass , is located a distance ri from the axis of rotation. Note that the mass segment has a tangential velocity . The kinetic energy of the mass segment is = The kinetic ...
examples of kinetic and potential energy

[DOC File]Static Equilibrium of Rigid Bodies: Torques
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Center of Gravity: For a rigid body with finite size, the force of gravity acts on all parts of the body. But for the purpose of studying the translational motion of the body as a whole or the static equilibrium of the body, we can assume that the entire weight of the body acts at a single point. ... PART C. Rotational Kinetic Energy. This ...
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[DOC File]Calculations for Penetration Model - Rathcoombe
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The rigid body penetration is proportional to the kinetic energy and inversely proportional to the resistive forces acting on the deformed bullet. There are two principal sources of resistive forces: a quasi-static material failure force and a dynamic drag force.
rotational kinetic energy

[DOC File]Lab 9:
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Let us now imagine a rigid body of mass m rotating with angular speed about an axis that is fixed in a particular inertial frame. Each particle of mass in such a rotating body has a certain amount of kinetic energy . The total kinetic energy of the body is the sum of the kinetic energies of its particles.
examples of kinetic and potential energy

[DOC File]PE Review - Winter 1997
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Kinetic Energy of a Rigid Body. When the rigid body is pinned at a fixed point O and is only rotating, the kinetic energy is: The change in potential energy due to gravitational force and spring forces remain as before: and . Example. A uniform disk of raduis 0.75 ft and weight 30lbs is pulled by a spring with K=2 lb/ft. The free length of the ...
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[DOC File]Rotational energy and mass
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Consider a rigid body rotating about a fixed axis of rotation. The kinetic energy is by definition, K( ½ i mi vi2 . But we have already noted that the speed of the ith particle may be written in terms of the angular velocity of the body, vi = ri( . Making this substitution in the above sum gives, K = ½ 2 i miri(2.
rotational kinetic energy

Kinetic energy of rigid body