GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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momentum will decrease
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momentum will increase
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momentum will stay the same
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none of the above
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Detailed explanation-1: -ACCORDING TO CONSERVATION OF LINEAR MOMENTUM WHEN TWO OBJECTS COLLIDE THE SUM OF THEIR MOMENTUM IS SAME.
Detailed explanation-2: -The two objects come to rest after sticking together, conserving momentum but not kinetic energy after they collide. Some of the energy of motion gets converted to thermal energy, or heat.
Detailed explanation-3: -The law states that when two objects collide in a closed system, the total momentum of the two objects before the collision is the same as the total momentum of the two objects after the collision. The momentum of each object may change, but the total momentum must remain the same.
Detailed explanation-4: -If the two objects stick together after the collision and move with a common velocity vf, then the collision is said to be perfectly inelastic. Note: In collisions between two isolated objects momentum is always conserved. Kinetic energy is only conserved in elastic collisions.
Detailed explanation-5: -For any collision occurring in an isolated system, momentum is conserved. The total amount of momentum of the collection of objects in the system is the same before the collision as after the collision.