what is the differentiate between force & momentum?
415426
Force is some thing that alters the state of things. According to Newton's second law of motion force produce acceleration in a mass object - either by putting it to motion from a state of rest or from a slower speed, or by slowing things down. In either way F= ma or F = -ma (slowing down).Where F is force, 'm' is unit mass, and 'a' stands for acceleration, and '-a' for deceleration.\nBasically it is about change - change in inertia.\n\nWhereas momentum M= mv is not about change in inertia but about inertia itself. You see every thing in universe if composed of mass and energy. Energy  of a stationary object of of 1 kg is not same as that of an object of same mass moving with certain speed.\nSo momentum is a product of mass and velocity of the object.\nAnd force in lay man's term is a means of transferring energy from on object to an other.
1135720
A force is a push or pull on an object.\n\nNewton's second law states that a an applied force causes an object to accelerate.  It's one of the most if not the most powerful physics equations.  Force equals mass times acceleration.  F=ma.  So when an object falls the force of an object is equal to the mass of the object times the acceleration due to Earth's gravity (9.81 m/s/s or 9.81 meters per second per second or meters per second squared.)  All objects experience the same acceleration due to gravity.  The units for force are, oddly enough, called Newtons and one newton equals one kilogram times one meter per second squared.  One pound is 4.48 newtons. \n\nNow it's important to understand that newton's second law, F=ma, applies to net forces or unbalanced forces.  Just because an object is moving doesn't mean it's accelerating.  When you press the accelerator you car speeds up and the engine is exerting a net force on the car.  When your speed maxes out at 120 or however fast your car can go the force of the engine is ballanced against the forces against the car (friction from air, the road and the engine parts)  \n\nTake tug of war.  An set of even matched teams won't result in one team moving across the line.  The forces are balanced.  Add one more strong guy to one team and the weaker team will speed up from zero to slowly moving across the line.  \n\nAlso force is cumulative.  When you can't pick up a heavy box what do you do?  You get help.  One smurf can lift a pebble but the whole smurf village can lift a boulder.\n\nAlso acceration is velocity divided by time a velocity is different from speed in that velocity is a vector, it has magnitude (speed) and direction.  If you change directions you will accelerate.\n\nIf you're in a train with no windows and an increadibly smooth track you shouldn't be able to tell that you are moving if the train't velocity is constant, however if it speeds up, slows down or goes around a corner while going at a constant speed the velocity is changing.  In the first two cases because of a change in magnitude (speed) in the last case because of a change in direction and you experience a force that pushes or pulls you in a direction.\n\nWeight is the force due to gravity and can change due to the masses of the objects involved.  For example you may have a weight of 100 lbs on earth and a mass of 40 some kilograms but on the moon you weigh 1/6 as much but still have a mass of 40 kg.  On Earth you can convert between pounds (a measure of force) and kilograms (a measure of mass) because the acceleration due to Earth's gravity (9.81 meters per second squared) is the same and cancels out in the equation.
332766
Force is a vector quantity as it has both magnitude (size) and direction.
72896
Newtons is the unit for measure of force
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its impulse change in momentum
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The unit of force is the Newton (N).\n\n1 newton is defined as the force needed to accelerate a 1kg object at 1m/s*2.(from Newton's 2nd Law of Motion: F = ma)   \n\nSometimes it is given in its base units as kgm/s*2
809040
Fundamental quantities are those used to derive other quantities.\n\nExamples are the Meter, Gram, and Liter and second.  These derive most other quantities of measure.  Learning those derivations will save you life in physics.\n\nExample of a derived quantity is the Newton which is the quantity of force.  A newton is a kg m/second squared.  How do we get this?  The equation for force is F=ma which is Force is the mass times the acceleration.  Accelaration is also a derived quantity.  It is the velocity change over time.  Velocity is also a derived quantity. It is the change in distance over time.  Therefore \n\nF=m s/t/t  mass is a base (kilograms) distance is a base (meters) and time is a base (seconds).\n\nHave fun.
804774
A good source is Wikipedia, the free, online encyclopedia:\nhttp://en.wikipedia.org/wiki/Momentum\n\nHope this helps!
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Momentum is the direct result of the following Newtonian Law of Inertia\nAny object in motion remains in motion and any object at rest remains at rest (unless a net force acts upon the object)\nMomentum (p) is the mass (m) of the object times its velocity (v).\np = mv\n\nForce (F) and Newtons Second Law can be derive from a change in momentum.  That is (t is time)\nF = delta p/delta t \nF = delta (m*v) / dt\nwe usually say m is constant so\nF = m * v/dt\nF =  ma    (a is acceleration or a change in v/time)\n\nNewtons third law is also based on momentum.  "For every action there is an equal, yet opposite, reaction."\n\nSo...  When a gun is fired what we see is the bullet propelled forward and the gun (and gun holder) propelled back.  Both received the same Force but because the gun and person holding it are much more massive than the bullet, the bullet will travel much faster. \ne.g F1 is the force on the bullet which is the same as the force on the person F2\nF1 = F2\ndelta p1/dt = delta p2/dt\nm1v1/dt = m2v2/dt\nm1v1 =m2v2\nImagine the bullet is 1 gram and a 180 lbs (~8182 grams) person shot the bullet...  The avg v on the kick back will be about 1/8182 of the v of the bullet...  Lucky for the shooter.
383953
In what domain? \nWith what force?\nWith what resistances?
217280
According to Newton's second law,\nF = m*a \nF = Force\nm = mass\na = acceleration\n\nnow, also,\n\na = (v-u)/t \nv = final velocity\nu = initial velocity\nt = time\n\nput this expression into first equation, you get\n\nF = m (v - u)/t\n= (mv - mu)/t\n\nalso, momentum = mass * velocity\n\nso,\nF = (final momentum - initial momentum)/t\n\nwe can also say that\n\nF = Rate of change of momentum
755262
INERTIA IS THE PROPENSITY FOR AN OBJECT IN MOTION TO REMAIN IN MOTION.  FORCE IS THE ENERGY ONE OBJECT PROJECTS ON ANOTHER.  SO IT IS THE ENERGY OF AN OBJECT IN MOTION EXERTED ON OTHER OBJECTS.
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Take two objects of the same mass moving towards each other (in opposite directions) with the same speed. Let's say one object has momentum of p and the other -p. The total momentum of the system (p-p) is 0. When they collide, they both stop moving and the total momentum of the system is still 0.
624856
The second law of motion states that Force = mass * acceleration, or in other words, that force is directly proportional to acceleration.\n\nThe first law follows because it states that an object at rest or in uniform motion will stay that way unless a force acts upon it. Being at rest or in uniform motion means acceleration is zero. Anything times zero is zero, so no acceleration means no force, and vice-versa.
216275
I believe momentum equals Velocity times Mass.  So momentum is displayed in kgm/s
860846
Force = 60 N.\nMass = 3 kg\nTime = 10 s\n\nAn object's change in momentum, Δp equals the Impulse, I on the object. I = ∫F dt = Ft. \n\nΔp = I = Ft = (60 N) * 10 s = 600 Ns\n\nAssuming the object started at rest,\np (initial) = mv = (3 kg) (0 m/s) = 0 Ns\nΔp = 600 Ns\np (final) = 600 Ns\n\np (final) = mv = (3 kg) * v(final)\nv(final) = (600 Ns) / (3 kg) = 200 m/s\nΔv = v(final) - v (initial) = 200 m/s - 0 m/s = 200 m/s\n\nThe object's change in momentum was 600 Ns (kg * m/s).\nThe object's change in velocity, assuming it started from rest, was 200 m/s.
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Newton's laws of motion.\nConservation of engery.\nConservation of momentum.