study material-physics
All Units
I think this will come in handy for you.As you never know when you are asked to calculate the unit of a variable.
Here is the order
PQ:Physical quantities.
SI:SI Units.
DF:Dimensional formula.
1.
PQ:Velocity = Displacement/Time
SI:m/s
DF:[M0L1T-1]
2.
PQ:Acceleration=Velocity/time
SI:m/s2
DF:[M0L1T-2]
3.
PQ:Force=mass*acceleration
SI:Kg-m/s2=Newton
DF:[MLT-2]
4.
PQ:Work=Force*Displacement
SI:Kg-m2/s2=N-m=Joule
DF:[ML2T-2]
5.
PQ:Energy
SI:Joule(J)
DF:[ML2T-2]
6.
PQ:Torque=Force*perpendicular distance
SI:N-m
DF:[ML2T-2]
7.
PQ:Power=Work*time
SI:J/s or watt
DF:[ML2T-3]
8.
PQ:Mommentum=mass*velocity
SI:Kg-m/s
DF:[MLT-1]
9.
PQ:Impulse=Force*time
SI:N-s
DF:[MLT-1]
10.
PQ:Angle=arc/radius
SI:radian
DF:[M0L0T0]
11.
PQ:Strain=dL/L or dV/V
SI:no units
DF:[M0L0T0]
12.
PQ:stress=Force*area
SI:N/m2
DF:[ML-1T-2]
13.
PQ:Pressure=Force*area
SI:N/m2
SF:[ML-1T-2]
14.
PQ:Modulus of elasticity=stress/strain
SI:N/m2
DF:[ML-1T-2]
15.
PQ:Frequency=1/Time period
SI:Hz(Hertz)
DF:[M0L0T-1]
16.
PQ:Angular velocity=angle/time
SI:rad/s
DF:[M0L0T-1]
17.
PQ:Moment of inertia=(mass)*(distance)2
SI:Kg-m2
DF:[ML2T0]
18.
PQ:Surface tension=Force/length
SI:N/m
DF:[ML0T-2]
19.
PQ:Gravitational constant=Force*(Distance)2/(mass)2
SI:N-m2/Kg2
DF:[M-1L3T-2]
20.
PQ:Angular momentum
SI:Kg-m2/s
DF:[ML2T-1]
21.
PQ:Coefficient of viscosity
SI:N-s/m2
DF:[ML-1T-1]
22.
PQ:Planck's Constant
SI:J-s
DF:[ML2T-1]
23.
PQ:Specific heat(s)
SI:J/Kg-K
DF:[L2T-2
-1]
-1]24.
PQ:Coefficient of thermal conductivity(K)
SI:watt/m-K
DF:[MLT-3-1]
-1]25.
PQ:Gas constant(R)
SI:J/mol-K
DF:[ML2T-2-1mol-1]
-1mol-1]26.
PQ:Boltzmann constant(k)
SI:J/K
DF:[ML2T-2-1]
-1]27.
PQ:Wein's Constant(b)
SI:m-K
DF:[L]
]28.
PQ:Stefan's constant(
)
)SI:watt/m2-K4
DF:[MT-3-4]
-4]29.
PQ:Electric charge
SI:C
DF:[AT]
30.
PQ:Electric Intensity
SI:N/C
DF:[MLT-3A-1]
31.
PQ:Electric Potential
SI:Volt
DF:[ML2T-3A-1]
32.
PQ:Capacitance
SI:farad
DF:[M-1L-2T4A2]
33.
PQ:Permittivity of free space
SI:C2N-1m-2
DF:[M-1L-3T4A2]
34.
PQ:Electric dipole moment
SI:C-m
DF:[LTA]
35.
PQ:Resistance
SI:Ohm
DF:[ML2T-3A-2]
36.
PQ:Magnetic Field
SI:Tesla(T) or weber/m2(Wb/m2)
DF:[MT-2A-1]
37.
PQ:Coefficient of self induction
SI:Henry
DF:[ML2T-2A-2]
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