User:B.V.Hemanth kumar

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MOMENTUM

There are many topics which can be studied using momentum.there are different waya of expressing momentum 1.It is the relation between mass and velocity. 2.It is the product of mass and velocity. 3.It is described as the amount of impact produced due to the force applied. By these two ways we can express momentum.

Importance of momentum
in the first law of motion we studied that force is needed to put an object in motion.It means that the body is set to motion.This there by implies that the body attains velocity. when a velocity of body changes the object is said to be accelerating.but we need to study how velocity varies when same force is applied to different masses .how much force has to be given to put two bodies of different masses into same velocity .Are the forces same or different? yes,the forces to be applied must be different.Let us understand this with a brief analysation of example.

1.Take two balls of different masses mass of first ball is 1kg ,and the mass of the other is 5kg.if two balls are thrown with the same force,what do you think about the velocities ? Are they same for both the balls or different? undoubtedly they move with different velocities. 2.A person moving on road is hit by a bicycle and a big truck.which produces more impact .absolutely the impact of truck is more than the bicycle.

In this way there are many ways of explaining momentum.there are many activities and demonstration which can be shown to understand momentum.