Linear momentum is a physical quantity that depends on the mass and the velocity of the object.
Fig 1 below shows an object that has mass m and is moving with a velocity v.
The linear momentum which is denoted by the symbol p and is calculated using the equation below
linear momentum = mass of object x velocity of object
p = mv
Hence the unit for linear momentum is kg m s-1
The linear momentum is thus a vector quantity since it is the product of a scalar quantity (the mass) and the vector quantity (the velocity).
We can thus say that the linear momentum of a body is defined as the product of the mass of that body and its velocity
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