Lecture 3 - LECTURE 3 STATICS OF PARTICLES Contents:...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 LECTURE 3 STATICS OF PARTICLES Contents: Introduction Statics of particles Free-body diagrams Equilibrium of a particle Examples Introduction A body in equilibrium provides a snapshot of the status of the body in space and time. The Statics studies the necessary and sufficient conditions of a rigid body of being stationary. The forces on the equilibrium body should have invariant characteristics. That is the magnitude, direction and point of application will not be changed with space and time. Statics of particles Statics is the branch of rigid-body mechanics concerned with bodies that are acted on by a balanced system of forces, (the resultant of all forces acting on the body is zero), and are at rest or moving with a constant velocity in a straight line.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 A body with negligible dimensions is referred to as a particle whose size and shape don’t have effect on the response of the body to a system of forces. At this circumstance , the mass of the body can be assumed to be concentrated at a point . For this reason, a particle can be subjected only to a system on concurrent forces . The necessary condition for equilibrium of a particle at rest or moving with a constant velocity along a strength line is 0 = = RF (1) or m == = a a 0 (2) Free-body diagrams Problems in engineering mechanics are concerned with the external effects produced when a system of forces acts on a physical body.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 17

Lecture 3 - LECTURE 3 STATICS OF PARTICLES Contents:...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online