Conservation of Energy with Rotation definitions Flashcards
Conservation of Energy with Rotation definitions
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Rotational Kinetic Energy
Energy due to an object's rotation, calculated as 1/2 I omega^2, where I is moment of inertia and omega is angular velocity. Linear Kinetic Energy
Energy due to an object's linear motion, calculated as 1/2 m v^2, where m is mass and v is velocity. Moment of Inertia
Resistance of an object to changes in its rotational motion, for a solid disc I = 1/2 M R^2. Angular Velocity
Rate of change of angular position of a rotating body, often denoted by omega. Conservation of Energy
Principle stating total energy remains constant in an isolated system, accounting for kinetic and potential energies. Non-conservative Work
Work done by forces like friction or external forces, not stored as potential energy. Perpendicular Axis
An axis at a 90-degree angle to the plane of rotation, around which an object spins. Solid Disc
A circular object with uniform mass distribution, used in rotational dynamics problems. Unwinding
Process where a cable or rope is pulled off a rotating object, affecting its angular velocity. Without Slipping
Condition where there is no relative motion between surfaces in contact, allowing v = R * omega. Potential Energy
Energy stored due to an object's position or configuration, often related to height in gravitational fields. Radius
Distance from the center to the edge of a circle or disc, crucial in calculating moment of inertia. Force
An influence that causes an object to undergo a change in motion, measured in newtons. Joules
Unit of energy in the International System of Units, used to measure work or energy. Radians per Second
Unit of angular velocity, describing how fast an object rotates or revolves relative to another point.