angstrom

light year

micron

milestone.

kW (kilowatt)

hp (horse power)

kcal/sec

kcal/kg sec.

kcal

kg m

kWhr

hp

kg/cm

ata

atmosphere

newton

centripetal force of earth

gravitational pull exerted by the earth

forces experienced by body in atmos-phere

gravitational force of attraction towards the centre of the earth.