Lecture_Notes_for_Sections_4.1_4.4

Lecture_Notes_for_Sections_4.1_4.4 - MOMENT OF A FORCE...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
MOMENT OF A FORCE SCALAR FORMULATION, CROSS PRODUCT, MOMENT OF A FORCE VECTOR FORMULATION, & PRINCIPLE OF MOMENTS Today’s Objectives : Students will be able to: a) understand and define moment, and, b) determine moments of a force in 2-D and 3-D cases. In-Class Activities : Check Homework Reading Quiz Applications Moment in 2-D Moment in 3-D Concept Quiz Group Problem Solving Attention Quiz
Background image of page 1

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

View Full DocumentRight Arrow Icon
READING QUIZ •A d = 3 m F = 10 N 1. What is the moment of the 10 N force about point A (M A )? A) 10 N·m B) 30 N·m C) 13 N·m D) (10/3) N·m E) 7 N·m 2. Moment of force F about point O is defined as M O = ___________ . A) r x F B) F x r C) r • F D) r * F
Background image of page 2
APPLICATIONS What is the net effect of the two forces on the wheel?
Background image of page 3

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

View Full DocumentRight Arrow Icon
APPLICATIONS (continued) What is the effect of the 30 N force on the lug nut?
Background image of page 4
MOMENT OF A FORCE - SCALAR FORMULATION (Section 4.1) The moment of a force about a point provides a measure of the tendency for rotation (sometimes called a torque).
Background image of page 5

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

View Full DocumentRight Arrow Icon
MOMENT OF A FORCE - SCALAR FORMULATION (continued) In the 2-D case, the magnitude of the moment is M o = F d As shown, d is the perpendicular distance from point O to the line of action of the force.
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/04/2010 for the course ME 214 taught by Professor Lipovetsky during the Summer '06 term at Cal Poly Pomona.

Page1 / 20

Lecture_Notes_for_Sections_4.1_4.4 - MOMENT OF A FORCE...

This preview shows document pages 1 - 7. Sign up to view the full document.

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