chapter 3-1

chapter 3-1 - EQUILIBRIUM OF A PARTICLE IN 2-D Today's...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture Notes for Sections 3.1-3.3 1 EQUILIBRIUM OF A PARTICLE IN 2-D Today’s Objectives : Students will be able to : a) Draw a free body diagram (FBD), and, b) Apply equations of equilibrium to solve a 2-D problem. In-Class Activities : Reading quiz Applications What, why and how of a FBD Equations of equilibrium Analysis of spring and pulleys Concept quiz Group problem solving Attention quiz READING QUIZ 1) When a particle is in equilibrium, the sum of forces acting on it equals ___ . (Choose the most appropriate answer) A) a constant B) a positive number C) zero D) a negative number E) an integer. 2) For a frictionless pulley and cable, tensions in the cable (T 1 and T 2 ) are related as _____ . A) T 1 > T 2 B) T 1 = T 2 C) T 1 < T 2 D) T 1 = T 2 sin θ
Background image of page 1

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

View Full DocumentRight Arrow Icon
Lecture Notes for Sections 3.1-3.3 2 APPLICATIONS For a spool of given weight, what are the forces in cables AB and AC ? APPLICATIONS (continued) For a given cable strength, what is the maximum weight that can be lifted ?
Background image of page 2
Lecture Notes for Sections 3.1-3.3 3 For a given weight of the lights, what are the forces in the cables? What size of cable must you use ? APPLICATIONS (continued) Condition for the Equilibrium of a Particle • A particle is in equilibrium provided – it is at rest if originally at rest – Or have a constant speed if originally in motion.
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 11

chapter 3-1 - EQUILIBRIUM OF A PARTICLE IN 2-D Today's...

This preview shows document pages 1 - 4. Sign up to view the full document.

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