senarai formula fizik f4
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PHYSICS FORM 4
CHAPTER 1 : INTRODUCTION TO PHYSICS1.1 UNDERSTANDING PHYSICS 1.4 MEASUREMENTS1.2 BASE AND DERIVED QUANTITIES 1.5 SCIENTIFIC INVESTIGATIONS1.3 SCALAR AND VECTOR QUANTITIES
5 BASE PHYSICAL QUANTITIESBase Quantity Symbol SI unit Other units Measured by
Length l
Mass m
Time t
Temperature T
Electric current I
CHAPTER 2 : FORCES AND MOTION2.1 LINEAR MOTION 2.7 SAFETY FEATURE IN VEHICLES2.2 MOTION GRAPHS 2.8 GRAVITY2.3 INERTIA 2.9 FORCES IN EQUILIBRIUM2.4 MOMENTUM 2.10 WORK, ENERGY,POWER AND EFFICIENCY2.5 EFFECTS OF A FORCE 2.11 APPRECIATING THE IMPORTANCE OF2.6 IMPULSE AND IMPULSIVE FORCE MAXIMING THE EFFICIENCY OF DEVICES
LIST OF FORMULA AND PHYSICAL QUANTITIES INVOLVEDFormula Physical Quantity Symbol SI Unit Other units
v = t
s Distance / /Displacement s m km // cm
a = t
uv − Speed // Velocity v ms-1 km h-1
v = u + at t s min // hour
s = ( 2
vu +) t
v
s = ut + ½ at 2 u
v2 = u2 + 2as a
p = m v Momentum p
F = ma F
F = t
uvm )( − m
Ft = m( v – u ) Impulse Ft
W = mgWeight W
Gravitational acceleration/ field strength
g
W = Fs Work W
1
2
Ek = ½ mv2 EK
Eg = m g hEg
h
P = F v P
E = P t E
F = k x k
Ee = ½ F x x
Ee = ½ kx2 Ee
Physics Principles:
1- Principle of Conservation of Momentum :
.......................................................................................................................................................................................
.
2- Principle of Conservation of Energy:
.......................................................................................................................................................................................
.
Physics Laws:
1- Newton’s First Law:.............................................................................................................................................
2- Newton’s Second Law:........................................................................................................................................
3- Newton’s Third Law:...........................................................................................................................................
4- Law of inertia:........................................................................................................................................................
5- Hooke’s Law:..........................................................................................................................................................
CHAPTER 3: FORCES AND PRESSURE 3.1 PRESSURE 3.4 PASCAL`S PRINCIPLE3.2 PRESSURE IN LIQUIDS 3.5 ARCHEMEDES`S PRINCIPLE3.3 PRESSURE IN GAS 3.6 BERNOULLIE`S PRINCIPLE
LIST OF FORMULA AND PHYSICAL QUANTITIES INVOLVEDFormula Physical Quantity Symbol SI Unit Other units
P = A
F
2
2
1
1
A
F
A
F=
P
F
A
P = h ρ g
h
g
ρ
ρ = V
m m
V
FB = ρ V g FB
Physics Principles:
1- Pascal’s Principle:.................................................................................................................................................
2- Archimedes’ Principle:........................................................................................................................................
3- Bernoulli’s Principle:...........................................................................................................................................
Physics Law:1- Law of floatation:.................................................................................................................................................
CHAPTER 4 : HEAT4.1 THERMAL EQUILLIBRIUM 4.3 SPECIFIC LATENT HEAT4.2 SPECIFIC HEAT CAPACITY 4.4 THE GAS LAWS
LIST OF FORMULA AND PHYSICAL QUANTITIES INVOLVEDFormula Physical Quantity Symbol SI Unit Other units
θ =
Cll
ll o1000100
0 ×−−θ
θ
Q = m c θ Q
Pt = m c θm
c
Q = ml l
Pt = mlPower P
t
P1 V1 = P2 V2 (gas) Pressure P
2
2
1
1
T
V
T
V =(gas) Volume V
2
2
1
1
T
P
T
P =Absolute temperature T
Physics Law Gas Laws:-
1- Boyle’s Law : ...........................................................................................................................................................
2- Charles’ Law: ..........................................................................................................................................................
3- Pressure Law:..........................................................................................................................................................
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CHAPTER 5 : LIGHT5.1 REFLECTION OF LIGHT 5.3 TOTAL INTERNAL REFLECTION OF LIGHT5.2 REFRACTION OF LIGHT 5.4 LENSES
LIST OF FORMULA AND PHYSICAL QUANTITIES INVOLVEDFormula Physical Quantity Symbol SI Unit Other units
r = 2f Radius of curvature r
n = r
i
sin
sini
r
n = v
cSpeed of light in air c 3 x 108 ms-1
Speed of light in medium v
n = h
HH
h
n = csin
1n No unit
Critical angle c
P = f
1 Power of lens P
vuf
111 +=
f
u
m = u
v v
m No unit
m = o
i
h
h hi
ho
Physics Law:
1- Law of reflection: i : ...............................................................................................................................
ii : ...............................................................................................................................
2- Law of refraction: i : ...............................................................................................................................
ii: ................................................................................................................................
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