Metre per second squared
The metre (or meter) per second squared is the unit of acceleration in the International System of Units (SI). As a derived unit it is composed from the SI base units of length, the metre, and the standard unit of time, the second. Its symbol is written in several forms as m/s2, m·s−2, or m s−2.
An object experiences a constant acceleration of one metre per second squared (1 m/s2) from a state of rest, when it achieves the speed of 5 m/s after 5 seconds and 10 m/s after 10 seconds.
Related units 
Newton's Second Law states that force equals mass multiplied by acceleration. The unit of force is the newton (N), and mass has the SI unit kilogram (kg). One newton equals one kilogram metre per second squared. Therefore, the unit metre per second squared is equivalent to newton per kilogram, N·kg−1, or N/kg.
Thus, the Earth's gravitational field (near ground level) can be quoted as 9.8 metres per second squared, or the equivalent 9.8 N/kg.
|m/s2||ft/s2||Standard gravity (g0)||Gal (cm/s2)|
|1 m/s2 =||1||3.28084||0.101972||100|
|1 ft/s2 =||0.304800||1||0.0310810||30.4800|
|1 g0 =||9.80665||32.1740||1||980.665|
|1 cm/s2 =||0.01||0.0328084||0.00101972||1|
See also 
- Kirk, Tim: Physics for the IB Diploma; Standard and Higher Level, Page 61, Oxford University Press, 2003
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