Challenge

Week - 1 - Consistency of Units

Objective: The objective of this challenge is to convert the given SI unit values of the given quantities to gm/mm/ms units and also to prepare cosistent unit system table for different unit system.

Before converting the given values into different unit system the definitions of Fundamental quantities and the derived quantities are established just as a ritual

Fundamental quantity: A fundamental quantity is that which is independent of any other quantity (length(m), mass(kg), time(s))

Derived quantity: A quantity which is dependent on Fundamental quantity is called derived quantity ( density(kg/m3), acceleration (m/s2), velocity(m/s) )

For the convenience the fundamental quantities (mass, length and time are converted to different unit measurement)

1kg => 1e+3 g = 0.001 tonne = 0.06852 slug

1m => 100 cm = 1000 mm = 3.2808 ft

1s => 1000 ms = 1e+6 μs

All parameters are converted to their respective unit system with SI Unit system as standard. (kg,m,s)

Calculation of the conversion from SI unit to g,mm,ms

SI Unit system (kg, m, s)

Conversion to (g, mm, ms)

MASS 1kg

1000g

LENGTH 1m

1000mm

TIME 1s

1000ms

FORCE 1N

1N = 1mass*1acceleration

= 1kg*1 m/s2

= (1000g*1000mm)/(1000ms)2

= 106*10-6 (g*mm)/ms2

= 1 (g*mm)/ms2

Conversion factor = 1

STRESS 1Pa

1 Pa = 1N/m2 = {1kg*(1 m/s2)}/m2 = 1 kg/ (m* s2)

So, 1 kg/ (m* s2) = 1000g/{1000mm*(1000ms)2}

= 10-6 g/ (mm*ms2)

Conversion factor = 10-6

ENERGY 1Nm

1 J = 1Nm = (1kg*1 m/s2) * m = 1 (kg*m2/s2)

Now, 1 (kg*m2/s2) = {1000g * (1000mm)2}/(1000ms)2

= (109 g*mm2) / (106 ms2)

= 103 (g*mm2/ ms2)

Conversion factor = 103

DENSITY 1Kg/m3

1Kg/m3 = 1000g/(1000mm)3

= 10-6 g/mm3

Conversion factor = 10-6

YOUNG\'S Modulus 210GPa

210 GPa = 210e+9 kg/(m*s2)

Here we already have 1 kg/ (m* s2) while calculating the stress

1 kg/ (m* s2) = 1000g/{1000mm*(1000ms)2}

= 10-6 g/(mm*m s2)

Therefore,

210e+9 kg/(m*s2) = 210e+9 * 10-6 g/ (mm*m s2)

= 210e+3 g/ (mm*m s2) = 210*103 g/ (mm*m s2)

Conversion factor = 103

Velocity 56.33Kmph

56.33 Kmph = 56.33 * {106mm/(3600*1000ms)}

= 15.647 mm/ms

Conversion factor = 1

GRAVITY 9.8m/s2

9.8m/s2 = 9.8 * 1000mm/(1000ms)2

= 9.8* 10-3 mm/ms2

Conversion factor = 10-3

Unit system

Mass

Length

Time

Force

Stress

Energy

Density

Young’s Modulus

Velocity

56.33 Kmph

Gravity

SI Unit

kg m s

1kg

1m

1s

1 N =

1 kg*m/s2

1 Pa =

1 kg/(m* s2)

1 J = 1Nm

= 1 kg*m2/s2

1kg/m3

210 GPa =

210e+9 kg/(m*s2)

15.647

m/s

9.8

m/s2

kg cm ms

1kg

102cm

103ms

10-4

kg*cm/ms2

10-8

kg/(cm*ms2)

10-2

kg*cm2/ms2

10-6

kg/cm3

2100

kg/(cm*ms2)

1.5647

cm/ms

9.8*10-4

cm/ms2

kg cm s

1kg

102cm

1s

102

kg*cm/s2

10-2

kg/(cm*s2)

104

kg*cm2/s2

10-6

kg/cm3

210e+7

kg/(cm*s2)

1564.7

cm/s

9.8*102

cm/s2

g mm ms

103g

103mm

103ms

1

g*mm/ms2

10-6

g/(mm*ms2)

103

g*mm2/ms2

10-6

g/mm3

210e+3

g/(mm*ms2)

15.647

mm/ms

9.8*10-3

mm/ms2

g cm s

103g

102cm

1s

105

g*cm/s2

10

g/(cm*s2)

107

g*cm2/s2

10-3

g/cm3

210e+10 g/(cm*s2)

1564.7

cm/s

9.8*102

cm/s2

g cm μs

103g

102cm

106μs

10-7

g*cm/μs2

10-11

g/(cm*μs2)

10-5

g*cm2/μs2

10-3

g/cm3

2.10

g/(cm*μs2)

15.647*10-4

cm/ μs

9.8*10-10

cm/μs2

g mm s

103g

103mm

1s

106

g*mm/ s2

1

g/(mm*s2)

109

g*mm2/s2

10-6

g/mm3

2.10 e+11

g/(mm*s2)

15647

mm/s

9.8*103

mm/s2

Ton mm s

10-3ton

103mm

1s

1

ton*mm/s2

10-6

ton/(mm*s2)

103

ton*mm2/s2

10-12

ton/mm3

210e+3

ton/(mm*s2)

15647

mm/s

9.8*103

mm/s2

slug ft s

0.068slug

3.28 ft

1s

0.2246

slug*ft/ s2

0.0208

slug/(ft*s2)

0.7366

slug*ft2/s2

1.93*10-3

slug/ft3

4.368 e+9

slug/(ft*s2)

51.322

ft/s

32.144

ft/s2

kg mm s

1kg

103mm

1s

103

kg*mm/s2

10-3

kg/(mm*s2)

106

kg*mm2/s2

10-9

kg/mm3

210e+6

kg/(mm*s2)

15647

mm/s

9.8*103

mm/s2

g cm ms

103g

102cm

103ms

10-1

g*cm/ms2

10-5

g/(cm*ms2)

10

g*cm2/ms2

10-3

g/cm3

210e+4

g/(cm*ms2)

1.5647

cm/ms

9.8*10-4

cm/ ms2

kg mm ms

1kg

103mm

103ms

10-3

kg*mm/ms2

10-9

kg/(mm*ms2)

1

kg*mm2/ms2

10-9

kg/mm3

210

kg/(mm*ms2)

15.647

mm/ms

9.8*10-3

mm/ms2

The Conversion factor for parameters in other unit system are as follows:

Unit system:

kg m s

Force : 1 kg*m/s2

conversion factor = 1

Stress : 1 kg/(m*s2)

conversion factor = 1

Energy: 1 kg*m2/s2

conversion factor = 1

Density: 1 kg/m3

conversion factor = 1

Young\'s Modulus: 210 e+9 kg/(m*s2)

conversion factor = 109

Velocity: 15.647 m/s

conversion factor = 1

Gravity: 9.8 m/s2

conversion factor = 1

kg cm ms

Force : 10-4 kg*cm/ms2

conversion factor = 10-4

Stress : 10-8 kg/(cm*ms2)

conversion factor = 10-8

Energy: 10-2 kg*cm2/ms2

conversion factor = 10-2

Density: 10-6 kg/cm3

conversion factor = 10-6

Young\'s Modulus: 2100 kg/(cm*ms2)

conversion factor = 10

Velocity: 1.5647 cm/ms

conversion factor = 1

Gravity: 9.8*10-4 cm/ms2

conversion factor = 10-4

kg cm s

Force : 102 kg*cm/s2

conversion factor = 102

Stress : 10-2 kg/(cm*s2)

conversion factor = 10-2

Energy: 104 kg*cm2/s2

conversion factor = 104

Density: 10-6 kg/cm3

conversion factor = 10-6

Young\'s Modulus: 210e+7 kg/(cm*s2)

conversion factor = 107

Velocity: 1564.7 cm/s

conversion factor = 1

Gravity: 9.8*102 cm/s2

conversion factor = 102

g cm s

Force : 105 g*cm/s2

conversion factor = 105

Stress : 10 g/(cm*s2)

conversion factor = 10

Energy: 107 g*cm2/s2

conversion factor = 107

Density: 10-3 g/cm3

conversion factor = 10-3

Young\'s Modulus: 210e+10 g/(cm*s2)

conversion factor = 1010

Velocity: 1564.7 cm/s

conversion factor = 1

Gravity: 9.8*102 cm/s2

conversion factor = 102

g cm μs

Force : 10-7 g*cm/μs2

conversion factor = 10-7

Stress : 10-11 g/(cm*μs2)

conversion factor = 10-11

Energy: 10-5 g*cm2/μs2

conversion factor = 10-5

Density: 10-3 g/cm3

conversion factor = 10-3

Young\'s Modulus: 2.10 g/(cm*μs2)

conversion factor = 10-2

Velocity: 15.647*10-4 cm/μs

conversion factor = 10-4

Gravity: 9.8*10-10 cm/μs2

conversion factor = 10-10

g mm s

Force : 106 g*mm/s2

conversion factor = 106

Stress : 1 g/(mm*s2)

conversion factor = 1

Energy: 109 g*mm2/s2

conversion factor = 109

Density: 10-6 g/mm3

conversion factor = 10-6

Young\'s Modulus: 210 e+9 g/(mm*s2)

conversion factor = 109

Velocity: 15647 mm/s

conversion factor = 1

Gravity: 9.8*103 mm/s2

conversion factor = 103

ton mm s

Force : 1 ton*mm/s2

conversion factor = 1

Stress : 10-6 ton/(mm*s2)

conversion factor = 10-6

Energy: 103 ton*mm2/s2

conversion factor = 103

Density: 10-12 ton/mm3

conversion factor = 10-12

Young\'s Modulus: 210 e+3 ton/(mm*s2)

conversion factor = 103

Velocity: 15647 mm/s

conversion factor = 1

Gravity: 9.8*103 mm/s2

conversion factor = 103

slug ft s

Force : 0.2246 slug*ft/s2

conversion factor = 1

Stress : 0.0208 slug/(ft*s2)

conversion factor = 1

Energy: 0.7366 slug*ft2/s2

conversion factor = 1

Density: 1.93*10-3 slug/ft3

conversion factor = 10-3

Young\'s Modulus: 4.368 e+9 slug/(ft*s2)

conversion factor = 109

Velocity: 51.322 ft/s

conversion factor = 1

Gravity: 32.144 ft/s2

conversion factor = 1

kg mm s

Force : 103 kg*mm/s2

conversion factor = 103

Stress : 10-3 kg/(mm*s2)

conversion factor = 10-3

Energy: 106 kg*mm2/s2

conversion factor = 106

Density: 10-9 kg/mm3

conversion factor = 10-9

Young\'s Modulus: 210 e+6 kg/(mm*s2)

conversion factor = 106

Velocity: 15647 mm/s

conversion factor = 1

Gravity: 9.8*103 mm/s2

conversion factor = 103

g cm ms

Force : 10-1 g*cm/ms2

conversion factor = 10-1

Stress : 10-5 g/(cm*ms2)

conversion factor = 10-5

Energy: 10 g*cm2/ms2

conversion factor = 10

Density: 10-3 g/cm3

conversion factor = 10-3

Young\'s Modulus: 210 e+4 g/(cm*ms2)

conversion factor = 104

Velocity: 1.5647 cm/ms

conversion factor = 1

Gravity: 9.8*10-4 cm/ms2

conversion factor = 10-4

kg mm ms

Force : 10-3 kg*mm/ms2

conversion factor = 10-3

Stress : 10-9 kg/(mm*ms2)

conversion factor = 10-9

Energy: 1 kg*mm2/ms2

conversion factor = 1

Density: 10-9 kg/mm3

conversion factor = 10-9

Young\'s Modulus: 210 kg/(mm*ms2)

conversion factor = 1

Velocity: 15.647 mm/ms

conversion factor = 1

Gravity: 9.8*103 mm/ms2

conversion factor = 103

RESULT :

Thus, all the given unit systems were converted to the respective unit system and its conversion factor has been identified.

Your portfolio, next

Ship work like this
in your own course.

Talk to a career counsellor

Free 20-minute call. We'll map the right course to where you want to work.

By submitting you agree to our Terms and Privacy Policy.