Consistency Of Units
Objective: Show detailed calculation for conversion from SI units to different unit systems used in different industries and mention the conversion factors.
Question:
Value of the following measurements are given as follows:
MASS 1kg
LENGTH 1m
TIME 1s
FORCE 1N
STRESS 1Pa
ENERGY 1Nm
DENSITY 1Kg/m3
YOUNG'S Modulus 210GPa
Velocity 56.33KMPH
GRAVITY 9.8m/s2
Now, here are a few system of units:
Kg cm ms
Kg cm s
gm mm ms
kg m s
g cm s
g cm us
g mm s
ton mm s
slug ft s
kg mm s
g cm ms
kg mm ms
Write the given measurements in the above different system of units. Also, mention the conversion factors.
**The assignment should show detailed calculation for conversion from SI unit to gm/mm/ms unit system. For others only the answers in the form of a table is sufficient with the unit systems as rows and measured quantities as columns.**
Write your report here calculations written down on a piece of paper and uploaded as an Image will no be accepted.
All the answers should be in the form of a report. Only then it will be considered for Grading.
Detailed Calculation from SI units to gm/mm/ms unit system:
Fundamental Quantity: Length, Mass and time are fundamental quantities and can be converted directly so no calculation needed.
SI unit (Kg, m, s) gm/mm/ms unit system Conversion Factor
MASS 1kg 1000gm 1000
LENGTH 1m 1000mm 1000
TIME 1s 1000ms 1000
Derived Quantity:Derived quantities are quantities that are calculated from two or more measurements. Derived quantities cannot be measured directly. They can only be computed.
FORCE 1N = `kg*m/s^2` Force = mass x acceleration 1
1N = `kg*m/s^2`
= `1000g*(1000mm)/(1000ms)^2`
= `10^6/10^-6*(gm*(mm)/(ms^2))`
= `1 (gm*(mm)/(ms^2))`
STRESS 1Pa = `1N/m^2` `1N/m^2 = (1kg*m/s^2)/m^2` 10^-6
= `(1000g*(1000mm)/(1000ms)^2)/(1000mm)^2`
= `10^-6*(gm)/(mm.ms^2`
ENERGY 1J = 1Nm 1Nm = `(1kg*m/s^2)*m` 10^3
= `(1000g*(1000mm)/(1000ms)^2)*1000mm`
= `1 (gm*(mm)/(ms^2))*10^3mm`
= `10^3 (gm*(mm^2)/(ms^2))`
DENSITY 1Kg/m3 1Kg/m3 = `(1000g)/(1000mm)^3` 10^-6
= `10^-6(gm)/(mm)^3`
YOUNG'S Modulus 210GPa =210e+9 Pa = 210e+9N/m^2 210e+9N/m^2 = `210e+9*N/m^2 = 210e+9*(kg*m/s^2)/m^2`` 10^-6
= `210e+9*(1000g*(1000mm)/(1000ms)^2)/(1000mm)^2`
= `210*10^9*10^-6*(gm)/(mm.ms^2`
= `210*10^3*(gm)/(mm.ms^2`
Velocity 56.33KMPH 56.33KMPH = `56.33*(10^6mm)/(3600s)` 1
= `56.33*(10^6mm)/(3600*1000ms)`
= `56.33*(10^6mm)/(3.6*10^6ms)`
= `(56.33mm)/(3.6ms)`
= `15.6472 (mm)/(ms)`
GRAVITY 9.8m/s2 9.8m/s2 = `9.8*(1000mm)/(1000ms)^2` 10^-3
= `9.8*10^-3(mm)/(ms)^2`
| Mass | Length | Time | Force | Stress | Energy | Density |
YOUNG'S Modulus |
Velocity |
Density | |
| 1kg | 1m | 1s | 1N | 1Pa | 1Nm | 1Kg/m3 |
210GPa/ 210e+9Pa |
56.33 KMPH |
9.8m/s2 | |
|
gm mm ms |
1000gm | 1000mm | 1000ms | `1 (gm*(mm)/(ms^2))` | `10^-6*(gm)/(mm.ms^2` | `10^3 (gm*(mm^2)/(ms^2))` | `10^-6(gm)/(mm)^3` | `210*10^3*(gm)/(mm.ms^2` | `15.6472 (mm)/(ms)` | `9.8*10^-3(mm)/(ms)^2` |
| Conversion Factor | 1000 | 1000 | 1000 | 1 | 10^-6 | 10^3 | 10^-6 | 10^-6 | 1 | 10^-3 |
|
Kg cm ms |
1Kg | 100cm | 1000ms | `10^-4 (Kg*(cm)/(ms^2))` | `10^-8*(kg)/(cm.ms^2` | `10^-2 (kg*(cm^2)/(ms^2))` | `10^-6(kg)/(cm)^3` | `210*10*(kg)/(cm.ms^2` | `1.5647 (cm)/(ms)` | `9.8*10^-4(cm)/(ms)^2` |
| Conversion Factor | 1 | 100 | 1000 | 10^-4 | 10^-8 | 10^-2 | 10^-6 | 10^-8 | 0.1 | 10^-4 |
|
Kg cm s |
1kg | 100cm | 1s | `10^2 (kg*(cm)/(s^2))` | `10^-2*(kg)/(cm.s^2` | `10^4 (kg*(cm^2)/(s^2))` | 10^-6(kg)/(cm)^3 | `210*10^7*(kg)/(cm.s^2` | `1564.7 (cm)/(s)` | `9.8*10^2(cm)/(s)^2` |
| Conversion Factor | 1 | 100 | 1 | 10^2 | 10^-2 | 10^4 | 10^-6 | 10^-2 | 100 | 10^2 |
|
kg m s |
1kg | 1m | 1s | `1 (Kg*(m)/(s^2))` | `1*(kg)/(m.s^2` | `(1kg*m^2/s^2)` | 1Kg/m3 | `210*10^9*(kg)/(m.s^2` | `15.6472 (m)/(s)` | 9.8m/s2 |
| Conversion Factor | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
|
g cm s |
1000gm | 100cm | 1s | `10^5 (gm*(cm)/(s^2))` | `10*(gm)/(cm.s^2` | `10^7 (gm*(cm^2)/(s^2))` | `10^-3(g)/(cm)^3` | `210*10^10*(gm)/(cm.s^2` | `1564.7 (cm)/(s)` | `9.8*10^2(cm)/(s)^2` |
| Conversion Factor | 1000 | 100 | 1 | 10^5 | 10 | 10^7 | 10^-3 | 10^-1 | 100 | 10^2 |
|
g cm us |
1000gm | 100cm | 1000000us | `10^-7 (gm*(cm)/(us^2))` | `10^-11*(gm)/(cm.us^2` | `10^-5 (gm*(cm^2)/(us^2))` | 10^-3(g)/(cm)^3 | `210*10^-2*(gm)/(cm.us^2` | `1.56*10^-3 *(cm)/(us)` | `9.8*10^-10(cm)/(us)^2` |
| Conversion Factor | 1000 | 100 | 1000000 | 10^-7 | 10^-11 | 10^-5 | 10^-3 | 10^-11 | 10^-2 | 10^-10 |
|
g mm s |
1000gm | 1000mm | 1s | `10^6 (gm*(mm)/(s^2))` | `1*(gm)/(mm.s^2` | `10^9 (gm*(mm^2)/(s^2))` | `10^-6(gm)/(mm)^3` | `210*10^9*(gm)/(mm.s^2` | `1.56*10^4 *(mm)/(s)` | `9.8*10^3(mm)/(s)^2` |
| Conversion Factor | 1000 | 1000 | 1 | 10^6 | 1 | 10^9 | 10^-6 | 1 | 10^3 | 10^3 |
|
ton mm s |
0.001 tonne | 1000mm | 1s | 1 tonne`(mm)/s^2` | `10^-6*(Ton)/(mm.s^2` | `10^3 (Ton*(mm^2)/(s^2))` | `10^-12(Ton)/(mm)^3` | `210*10^3*(Ton)/(mm.s^2` | `1.56*10^4 *(mm)/(s)` | `9.8*10^3(mm)/(s)^2` |
| Conversion Factor | 0.001 | 1000 | 1 | 1 | 10^-6 | 10^3 | 10^-12 | 10^-6 | 10^3 | 10^3 |
|
slug ft s |
0.06852 | 3.280ft | 1s | `0.2246* slug*(ft)/s^2` | `0.0208*(slug)/(ft.s^2` | `0.7366 (slug*(ft^2)/(s^2))` | `1.93*10^-3(slug)/(ft)^3` | `210*0.0208*10^9*(slug)/(ft.s^2` | `51.33 (ft)/s` | `32.17 *(ft)/s` |
| Conversion Factor | 0.06852 | 3.280 | 1 | 0.2246 | 0.0208 | 0.7366 | 1.93*10^-3 | 0.0208 | 0.9447 | 3.28 |
|
kg mm s |
1Kg | 1000mm | 1s | `10^3 (kg*(mm)/(s^2))` | `10^-3*(kg)/(mm.s^2` | `10^6 (kg*(mm^2)/(s^2))` | `10^-9(Kg)/(mm)^3` | `210*10^6*(kg)/(mm.s^2` | `1.56*10^4 *(mm)/(s)` | `9.8*10^3(mm)/(s)^2` |
| Conversion Factor | 1 | 1000 | 1 | 10^3 | 10^-3 | 10^6 | 10^-9 | 10^-3 | 10^3 | 10^3 |
|
g cm ms |
1000gm | 100cm | 1000ms | `10^-1 (gm*(cm)/(ms^2))` | `10^-5*(gm)/(cm.ms^2` | `10 (gm*(cm^2)/(ms^2))` | 10^-3(g)/(cm)^3 | `210*10^4*(gm)/(cm.ms^2` | `1.5647 (cm)/(ms)` | `9.8*10^-4(cm)/(ms)^2` |
| Conversion Factor | 1000 | 100 | 1000 | 10^-1 | 10^-5 | 10 | 10^-3 | 10^-5 | 10 | 10^-4 |
|
kg mm ms |
1Kg | 1000mm | 1000ms | `10^-3 (kg*(mm)/(ms^2))` | `10^-9*(kg)/(mm.ms^2` | `1 (kg*(mm^2)/(ms^2))` | `10^-9(Kg)/(mm)^3` | `210*(kg)/(mm.ms^2` | `15.6472 (mm)/(ms)` | `9.8*10^-3(mm)/(ms)^2` |
| Conversion Factor | 1 | 1000 | 1000 | 10^-3 | 10^-9 | 1 | 10^-9 | 10^-9 | 1 | 10^-3 |
Conclusion:
All the required units are converted from SI units to different unit systems used in different industries.