phy2048 lecture04

phy2048 lecture04 - Chapter 3: Vectors 31 What is Physics...

Info iconThis preview shows pages 1–10. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

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

Unformatted text preview: Chapter 3: Vectors 31 What is Physics 32 Vectors and Scalars 33 Adding Vectors Geometrically 34 Components of Vectors 35 Unit Vectors 36 Adding Vectors by Components 37 Vectors and the Laws of Physics 38 Multiplying Vectors Chapter 3 Homework 1~4, 15, 17, 29, 34, 38, 50, 59, 61 Vector Scalar magnitude (+/) Mass, Time, Temperature, Pressure, Energy... magnitude Vector { Vector: A direction Magnitude: A or A Displacement, Velocity, Acceleration, Force... Adding Vectors Geometrically C = A+ B Head-to-tail Method Parallelogram Method A+ B = B + A ( A + B) + C = A + ( B + C ) Multiplying a Vector by a Scalar B = sA B= sA B is parallel to A if s > 0 B is antiparallel to A if s < 0 -A Subtraction of Vectors C = A- B C = A+ - B ( ) A = B+C Components of Vectors A= 2 2 Ax + Ay -1 = tan Ay Ax A= 2 2 2 Ax + Ay + Az Adding Vectors Mathematically C = A+ B C x = Ax + B x C y = Ay + B y C z = Az + B z Unit Vectors Unit vector is a dimensionless vector with unit magnitude. ^= A = A A A A ^ A =1 ^ A // A ^ ^ A + B = ( Ax + Bx )i + ( Ay + B y ) ^ + ( Az + Bz )k j The Dot Product A B = AB cos Scalar Properties of Dot Products A B = Ax B x + Ay B y + Az B z ...
View Full Document

Page1 / 10

phy2048 lecture04 - Chapter 3: Vectors 31 What is Physics...

This preview shows document pages 1 - 10. Sign up to view the full document.

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