Challenge

Week - 1 - Consistency of Units

Mass

(1Kg)

Length

(1 m)

Time

(1 s)

Force

(1 N)

Stress

(1 Pa = [N/m^2])

Energy

(1 Nm)

Density

(1 kg/m^3)

YOUNG'S Modulus (210GPa)

[210E+9 N/m^2]

Velocity

(56.33KMPH)

GRAVITY

(9.8m/s2)

Kg cm ms 1 100 1000 1 1E-4 N/cm^2 1E+2 N-cm 1E-6 Kg/cm^3 210E+5 N/cm^2 1.5647 cm/ms 9.8E-4 cm/ms^2
Kg cm s 1 100 1 1 1E-4 N/cm^2 1E+2 N-cm 1E-6 Kg/cm^3 210E+5 N/cm^2 15.6472E+2 cm/s 9.8E+2 cm/s^2
gm mm ms 1000 1000 1000 1 1E-6 N/mm^2 1E+3 N-mm 1E-6 g/mm^3 210E+3 N/mm^2 15.6472 mm/ms 9.8E-3 mm/ms^2
kg m s 1 1 1 1 1 (N/m^2) 1 N-m 1 Kg/m^3 210E+9 N/m^2 15.6472 m/s 9.8 m/s^2
g cm s 1000 100 1 1 1E-4 N/cm^2 1E+2 N-cm 1E-3 g/cm^3 210E+5 N/cm^2 15.6472E+2 cm/s 9.8E+2 cm/s^2
g cm us 1000 100 1 1 1E-4 N/cm^2 1E+2 N-cm 1E-3 g/cm^3 210E+5 N/cm^2 15.6472E+2 cm/s 9.8E+2 cm/s^2
g mm s 1000 1000 1 1 1E-6 N/mm^2 1E+3 N-mm 1E-6 g/mm^3 210E+3 N/mm^2 15.6472E+3 mm/s 9.8E+3 mm/s^2
ton mm s 0.001 1000 1 1 1E-6 N/mm^2 1E+3 N-mm 1E-12 ton/mm^3 210E+3 N/mm^2 15.6472E+3 mm/s 9.8E+3 mm/s^2
slug ft s 0.06852 3.28084 1 1 0.0929 N/ft^2 3.28084 N-ft 1.94027E-3 slug/ft^3 19.51E+9 N/ft^2 51.3360 ft/s 32.185 ft/s^2
kg mm s 1 1000 1 1 1E-6 N/mm^2 1E+3 N-mm 1E-9 Kg/mm^3 210E+3 N/mm^2 15.6472E+3 mm/s 9.8E+3 mm/s^2
g cm ms 1000 100 1000 1 1E-4 N/cm^2 1E+2 N-cm 1E-3 g/cm^3 210E+5 N/cm^2 1.5647 cm/ms 9.8E-4 cm/ms^2
kg mm ms 1 1000 1000 1 1E-6 N/mm^2 1E+3 N-mm 1E-9 Kg/mm^3 210E+3 N/mm^2 15.6472 mm/ms 9.8E-3 mm/ms^2

Note: In the given conversation table 1N is considered as the standard unit and not derived further eg. (1N = Kg-m/s^2 to 1E-04 Kg-cm/ms^2). As it is not mentioned in the challenge that force unit N should be considered as 1 mass unit * 1 acceleration unit.

Unit Conversation Factors :

1N/m2 = 1E-4 N/cm2

1N/m2 = 1E-6 N/mm2

1N/m2 = 0.092905 N/ft2

(1 Gpa = 1E+9 N/m2)

For Velocity

1 Km/hr = 1/36 cm/ms = 1000/36 cm/s = 1E4/36 mm/s = 1/3.6 mm/ms = 1/3.6 m/s = 0.91134 ft/s

Gravity

1 m/s2 = 1E-2 cm/ms2 = 100 cm/s2 = 1E-3 mm/ms = 3.28084 ft/s2

**Detailed calculation for conversion from SI unit to gm/mm/ms unit system**

Mass 1 kg = 1000 gm

Length 1 m = 1000 mm

Time 1 s = 1000 ms

Force 1 N = 1 N

Stress 1 Pa = 1 N/m2 = 1 N / (1E3)^2 mm^2 = 1E-6 N / mm^2

Energy 1 N-m = 1 * 1E+3 N-mm = 1E+3 N-mm

Density 1 Kg / m^3 = 1E+3 / (1E+3)^3 g/mm^3 = 1E-6 g/mm^3

Young's Modulus 210 Gpa = 210E+09 N/m^2 = 210E+09 / 1E+06 N/mm^2 = 210E+03 N/mm^2

Velocity 56.33 Km/hr = 56.33 * 1E+06 / 3.6E+06 mm/ms = 15.6472 mm/ms

Gravity 9.8 m/s^2 = 9.8 * 1E+03 / (1E+03)^2 mm/ms^2 = 9.81E-03 mm/ms^2

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