Lecture 1 Copy PDF Physics Notes

18 Lectures mm 1-0 - kinematics & Vedor # - mu Equations of Motion Motion under...

18 Lectures mm 1-0 - kinematics & Vedor # - mu Equations of Motion Motion under gravity &2 > - Forces > - Newton's laws ↳ Forces - Types N 13-14 - Momentum) Collicine/impulse umum Workow/ 15-18 - J  Kinematic Vectors up- - un This 1) - nNature - some natural phenammon Sonning↑t Waves ↓ - Dispersion of light place alim. Reflectio Rest/Motion /Forces 4) Munic > - 1- Kimatio Dynamic umm ↑ Readint & I - 2) Are L B # Thereis no conceptf auto alt a - A is at rest Q A is at rest with respect to oberve B. ④ 2) Rut/molim are relative Phenomenon State of. rest or motion always depends on abe or ·mmm reference.  de Primedians -Hi I - 1) Mechanics (50 % of 11) 2) Waves (20 % ) 3) Seat and Thermodynamics (30 %. ) class u 13 - 1) Electricity a Moynalism (70 % (2) - Optics (20 + ) 3) Modern Phupics (10 % ) - motion lat & Rectilinear motion/Dimension/straight line / Linear molim E. Light , car in a straight line , plans on run-way , train on straight track motim/imm 4)miniman sima motion (2Plane) = E. Ant on wall , car in circular path, writing on a book, nets motion around Sun. = ~ ↓ immnimal mot space - E. Bird , mosquito ⑪ 2 motion in which all pointo is I Galatination - in direction object more same 5m/) with same speed. => - - ⑳Car = (Body/Frame) Translation whech (not translational) 4) init All points of object more in different a # But wir - arm axi) As ⑳ I inject immed ita I # · small point circular motion tional size us motion # · extended For a point object For an object 3) imatory vitratory or To + & fro motion about a fixed point # > - Pennotice <  #and Vectors Scalar Vector. Described 1) only by 1) Magnitude + Direction magnitude (no direction required) normal 2) of 2) Follow rule Vector rules of addition / addition/subtraction. Sullivactim. E. mass , volume , distance , %. - velocity , acceleration, time , temperature , displacement , Force , sheed work , , energy momentum > - pressure , current 1 ⑭ Kurds east magni ·I · ) > tae (How wa - much ?? E > - ↓ numerical value + unit ⑭ Motim of (Bookt) Farris which gi i j 888 - - # as 1) Pietation of ecos. (Magnitude + Direction) 1) Arrow-lay magnitude/Had m : - direction > A ② Magnitude of A is more ↓ B 4) som I F , A , Single - or double lettes with arrow above vectors represents -Letter in Bold' = rectors  rectorn a "ninud of a I without arrow. /F) = ION so A = low -M n (5) = FN B =N  Tirector T E - 7 i - vectors. 1) And = Opposite Direction E. D E and 2) Precons same direction ( , B) , Ammerectors 3) - Lie on same line It and 2) :) Erectors - same direction I same magnitude (A and 5) vector-rame magnitude a Nine ↳ of a u opposite direction 6) Ultimor > - Vector whose magnitude is 1. =0 7) N rector/ zero rector Magnitude direction not ↳ Its is defined 8) P vectors--sie on same plane x( A &5) -> - ↳ [ - Mathematical operations of restor. Multiplicatio 1) rector Mac is (Sr > ) + m = 20 N > - nu > - > - > - If multiplied by a c rector noe - th its magnitude uncme and direction remains same. - - If - multiplied by recir negative a not In its magnitude lucme - time and di reverses -  Car more vectors direction 2) Adding in 2 same - wenwer in -> 4N ION = > -- B 6N i +B The sum has same direction and magnitude in sur of the individual magnitudes. 2 recks in opportuni 9) nu rection (7N) > YN < (3n) F ( + B)) - 3n +5 difference of E Here , is the magnitudes and direction is day larger magnitude reuter.  Eun ! 1) 25 + 3 = ?? 2) 3 - 23 = ? 2 ↳ (8N) + 1/ (A + 35) 7 (8 + 6 = 14N] 3) ⑭ 7 2D ⑤ > - 12N YN [ ⑮ UN -2 -2) = & in East 7  as rectors 4) im im = 4m A 3mop To add 2 perpendicular recta - Triangle rule Join Head rector with tail 1) of 1 of other - 2) Join fail to head. get A to 25 remaining + i Magnitude : E +5 > - B (Pythagoras Merrion) 9. (6m) 5(0m) ↑ Directions ofA + B ?? (and magnitude) in B ③ = No = lo ↓, North west mu I Aakash Kalani I - P - 20