SPM-Physics-Formula-List-Form4

# SPM-Physics-Formula-List-Form4 - ONE-SCHOOL.NET Physics...

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ONE-SCHOOL.NET http://www.one-school.net/notes.html 1 Physics Equation List :Form 4 Introduction to Physics Relative Deviation Mean Deviation Relative Deviation = 100% Mean Value × Prefixes Prefixes Value Standard form Symbol Tera 1 000 000 000 000 10 12 T Giga 1 000 000 000 10 9 G Mega 1 000 000 10 6 M Kilo 1 000 10 3 k deci 0.1 10 -1 d centi 0.01 10 -2 c milli 0.001 10 -3 m micro 0.000 001 10 -6 μ nano 0.000 000 001 10 -9 n pico 0.000 000 000 001 10 -12 p Units for Area and Volume 1 m = 10 2 cm (100 cm) 1 m 2 = 10 4 cm 2 (10,000 cm 2 ) 1 m 3 = 10 6 cm 3 (1,000,000 cm 3 ) 1 cm = 10 -2 m ( 1 100 m ) 1 cm 2 = 10 -4 m 2 ( 2 1 10,000 m ) 1 cm 3 = 10 -6 m 3 ( 3 1 1,000,000 m )

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ONE-SCHOOL.NET http://www.one-school.net/notes.html 2 Force and Motion Average Speed Total Distance Average Speed Total Time = Velocity s v t = v = velocity (ms -1 ) s = displacement (m) t = time (s) Acceleration vu a t = a = acceleration (ms -2 ) v = final velocity (ms -1 ) u = initial velocity (ms -1 ) t =time for the velocity change (s) Equation of Linear Motion Linear Motion Motion with constant velocity Motion with constant acceleration Motion with changing acceleration s v t = at u v + = t v u s ) ( 2 1 + = 2 2 1 at ut s + = as u v 2 2 2 + = Using Calculus (In Additional Mathematics Syllabus) u = initial velocity (ms -1 ) v = final velocity (ms -1 ) a = acceleration (ms -2 ) s = displacement (m) t = time (s)
ONE-SCHOOL.NET http://www.one-school.net/notes.html 3 Ticker Tape Finding Velocity: velocity number of ticks 0.02s s = × 1 tick = 0.02s Finding Acceleration: vu a t = a = acceleration (ms -2 ) v = final velocity (ms -1 ) u = initial velocity (ms -1 ) t = time for the velocity change (s) Graph of Motion Gradient of a Graph The gradient 'm' of a line segment between two points and is defined as follows: Change in y coordinate, Gradient, Change in x coordinate, y m x or y m x Δ = Δ Δ = Δ

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ONE-SCHOOL.NET http://www.one-school.net/notes.html 4 Displacement-Time Graph Velocity-Time Graph Gradient = Velocity (ms -1 ) Gradient = Acceleration (ms -2 ) Area in between the graph and x-axis = Displacement Momentum pm v p = momentum (kg ms -1 ) m = mass (kg) v = velocity (ms -1 ) Principle of Conservation of Momentum 11 2 2 22 mu mv += + m 1 = mass of object 1 (kg) m 2 = mass of object 2 (kg) u 1 = initial velocity of object 1 (ms -1 ) u 2 = initial velocity of object 2 (ms -1 ) v 1 = final velocity of object 1 (ms -1 ) v 2 = final velocity of object 2 (ms -1 ) Newton’s Law of Motion Newton’s First Law In the absence of external forces, an object at rest remains at rest and an object in motion continues in motion with a constant velocity (that is, with a constant speed in a straight line).
ONE-SCHOOL.NET http://www.one-school.net/notes.html 5 Newton’s Second Law mv mu F t α F ma = The rate of change of momentum of a body is directly proportional to the resultant force acting on the body and is in the same direction.

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## This note was uploaded on 02/17/2011 for the course PHYCIS 101 taught by Professor Annonymous during the Spring '10 term at Sunway University College.

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SPM-Physics-Formula-List-Form4 - ONE-SCHOOL.NET Physics...

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