1
Q
Units of Length
A
Metres
2
Q
units of Mass
A
Kg
3
Q
units of Time
A
Secs
4
Q
units of Displacement
A
Metres
5
Q
Units of Strain
A
Dimensionless
6
Q
units of Stress
A
Pascal
7
Q
What is 1 Pa equal to?
A
1 NM^-2
8
Q
units of Acceleration
A
Ms^-2
9
Q
units of Pressure
A
Pa
10
Q
units of Velocity
A
Ms^-1
11
Q
units of Force
A
N
12
Q
What is 1 Newton equal to?
A
1 kgms^-2
13
Q
Define Dynamic Viscosity
A
poise Nm^-2S
The same as Pa s
Defined in terms of the relationship between a dynamic quantity (stress) and a kinematic one ( strain rate)
14
Q
Define Kinematic Viscosity
A
M^2S^-1
A quantity in which no dynamic quantities are involved
15
Q
Gravity units
A
Gal
1 Gal = 1 cm s^-2
16
Q
Units of Reynolds Number
A
Re = vL/n
It is DIMENSIONLESS (could be in the exam)
Geophysics
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