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Just some of the basic terminologies which are used in mechanics

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- 1. BASIC TERMINOLOGY OF ENGINEERING MECHANICS
- 2. MECHANICS Mechanics is one of the oldest physical science and is a branch that is concerned with the state of rest or motion of bodies subjected to the action of forces ENGINEERING MECHANICS It is a branch of Applied Science, which deals with the laws and principles of mechanics, along with their applications to engineering problems
- 3. MASS • Quantity of matter possessed by a body • Its value wont change TIME • Measure of successive events • Successive event selected is the rotation of earth on its own axis SPACE • Geometric region in which study of body is done • Determined through a pre determined point
- 4. • Distance measured along the longest dimension of an object LENGTH • A displacement is scalar that is the shortest distance from the initial to the final position of the body DISPLACEMENT • The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time VELOCITY
- 5. ACCELERATION • Rate of change of velocity MOMENTUM • The quantity of motion of a moving body, measured as a product of its mass and velocity RIGID BODY • a rigid body is a solid body in which deformation is zero or so small it can be neglected
- 6. DISTANCE • Distance is a numerical description of how far apart objects are PARTICLE • A body with mass but with dimensions that can be neglected CONTINUUM • Body consisting of several matters
- 7. FORCE Push or Pull Ability to do work Interaction which when unopposed changes motion of object
- 8. •It states that everybody continues in its state of rest or of uniform motion in a straight line unless it is compelled by an external agency acting on it.
- 9. • It states that the rate of change of momentum of a body is directly proportional to the impressed force and it takes place in the direction of the force acting on it.
- 10. It states that for every action there is an equal and opposite reaction.
- 11. STRESS Internal forces transmitted through the body STRAIN Measure of deformation of material

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