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The metre 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 time, the second. Its symbol is written in several forms as m/s2, m·s−2 or ms−2, , or less commonly, as (m/s)/s. [1]
Because acceleration is velocity in m/s divided by time in s, the SI units for acceleration are \( m/s^2\), meters per second squared or meters per second per second, which literally means by how many meters per second the velocity changes every second.
Because acceleration is velocity in m/s divided by time in s, the SI units for acceleration are m/s2, meters per second squared or meters per second per second, which literally means by how many meters per second the velocity changes every second. Recall that velocity is a vector—it has both magnitude and direction.
Acceleration has the dimensions of velocity (L/T) divided by time, i.e. L T −2. The SI unit of acceleration is the metre per second squared (m s −2 ); or "metre per second per second", as the velocity in metres per second changes by the acceleration value, every second.
The SI unit of acceleration is the meter per second squared: \(\mathrm{\frac{m}{s^2}}\) Acceleration is a vector that points in the same direction as the change in velocity, though it may not always be in the direction of motion.
Because acceleration is velocity in m/s divided by time in s, the SI units for acceleration are m/s2, meters per second squared or meters per second per second, which literally means by how many meters per second the velocity changes every second. Recall that velocity is a vector—it has both magnitude and direction.
It is usually shown as: m/s2. "meters per second squared" What is this " per second squared " thing? An example will help: A runner accelerates from 5 m/s (5 meters per second) to 6 m/s in just one second. So they accelerate by 1 meter per second per second. See how "per second" is used twice?
