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Kinematics of a Rigid Body: Basic Concepts

Kinematics of a Rigid Body: Basic Concepts. Particle vs. Rigid body Planar motion vs. Spatial motion Type of planar motions. A. Particle : A & B have the same motion. B. A. B. Review : Planar Kinematics of a Rigid Body. 1. Particle Versus Rigid Body.

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Kinematics of a Rigid Body: Basic Concepts

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  1. Kinematics of a Rigid Body: Basic Concepts • Particle vs. Rigid body • Planar motion vs. Spatial motion • Type of planar motions ME 316 Handout 1

  2. A Particle: A & B have the same motion B A B Review: Planar Kinematics of a Rigid Body 1. Particle Versus Rigid Body Rigid body: A and B may have different motions ME 316 Handout 1

  3. Example 1 2. Planar motion vs. Spatial motion ME 316 Handout 1

  4. Example 2 ME 316 Handout 1

  5. Spatial motion - Example ME 316 Handout 1

  6. Planar motion – Scientific Definition All particles of a rigid body move along paths which are equidistant from a fixed plane, the body is said to undergo planar motion A body system consists of several rigid bodies. When all rigid bodies undergo planar motion, the system is said to undergo planar motion ME 316 Handout 1

  7. 3. Types of planar motion Translation ME 316 Handout 1

  8. 3. Types of planar motion Rotation at a fixed axis Planar general motion ME 316 Handout 1

  9. Types of planar motion – Scientific definition Translation: every line segment on the body remains parallel to its original direction during the motion Rotation about a fixed axis: all the particles move along circular paths General plane motion: a combination of translation and rotation. ME 316 Handout 1

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