It is a wonderful and useful formula for normal every day use, but when we look at the atomic scale things don't actually collide. They interact from a distance through electro-magnetic fields. And the interaction does not need mass, because light (which has no mass) can have momentum. This means that a 1,000-kg car moving north at 20 m/s has a different […] While the kg•m/s is the standard metric unit of momentum, there are a variety of other units that are acceptable (though not conventional) units of momentum. The SI units of momentum are kilograms times meters per second, or kg*m/s. The units for momentum would be mass units times velocity units. Isaac Newton’s second law of motion states that the time rate of change of momentum is equal to the force acting on the particle. The calculator can use any two of the values to calculate the third. The unit of momentum is the product of the units of mass and velocity. Note the definition says velocity, not speed, so momentum is a vector quantity. Momentum, product of the mass of a particle and its velocity.Momentum is a vector quantity; i.e., it has both magnitude and direction. In SI units, F = ma, where F is the net force, m is the mass of the object, and a is the acceleration. Being a vector, momentum has magnitude and direction. I guess you mean [math]p[/math] in [math]p = mv = Ft[/math], that means [math]kg m/s[/math] or as well [math]N sec[/math]. It is divided into two main types. Momentum is mass times velocity. Consider the following objects and calculate the magnitude of their is not the full story! The change in momentum of a vehicle weighing 2000 kg when its speed increases from 36 km/h to 72 km/h uniformly is : Are momentum and impulse measured in the same units? The SI unit of momentum is the kilogram meter per second . it formula = mass × velocity. so it's SI unit is = kg×m/s = kg m/s. Momentum is the product of mass times velocity, so in SI units, the units are kilograms x meters / second. In SI units, if the mass is in kilograms and the velocity is in meters per second then the momentum is in kilogram meters per second (kg⋅m/s). It is up to you which one do you choose. The SI unit of impulse is the newton second . One is the linear momentum, and the other is the angular momentum. When you are looking at a situation on a three-dimensional coordinate grid with directions labeled x, y, and z. Momentum. Momentum, in this sense, is a vector that can be calculated by multiplying the mass of an object with its velocity (which is also a vector and the reason momentum is a vector as well). Then, what is the SI unit of momentum in Newtons? As a vector quantity, momentum can be broken down into component vectors. Examples include kg•mi/hr, kg•km/hr, and g•cm/s. The standard metric unit of momentum is the kg•m/s. 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