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When two bodies stick together after col...

When two bodies stick together after collision, the collision is said to be

A

Partially elastic

B

Total elastic

C

Total inelastic

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
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Assertion: In an elastic collision of two bodies , the momentum and energy of each body is conserved. Reason: If two bodies stick to each other , after colliding , the collision is said to be perfectly elastic.

If two bodies stick together after collision. Will the collision be elastic or inelastic?

Knowledge Check

  • When two bodies stick together after the collision is said to be :

    A
    perfectly elastic
    B
    partially elastic
    C
    completely inelastic
    D
    None of these

  • A body of mass 0.1 kg travelling with a velocity of 5 m/s, collides head-on with another body of mass 0.2 kg travelling in the same direction with a velocity of 1.2 m/s. If the two bodies stick together after collision, their common velocity is

    A
    `0.967" m"//s"`
    B
    `1.233" m"//"s"`
    C
    `2.467" m"//"s"`
    D
    `2.524" m"//"s"`

  • A body of mass 3 kg moving with a velocity (2hati+3hatj+3hatk) m/s collides with another body of mass 4 kg moving with a velocity (3hati+2hatj-3hatk) m/s. The two bodies stick together after collision. The velocity of the composite body is

    A
    `(1)/(7)(4hati+6hatj-3hatk)`
    B
    `(1)/(7)(18hati+17hatj-3hatk)`
    C
    `(1)/(7)(6hati+4hatj-6hatk)`
    D
    `(1)/(7)(9hati+8hatj-6hatk)`

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    Two bodies stick together after collision. What type of collision isin between these two bodies?

    A body of mass 4 kg moving with velocity 12 m//s collides with another body of mass 6 kg at rest. If two bodies stick together after collision , then the loss of kinetic energy of system is

    If two bodies stick together after collision and move as a single body, the collision is said to be

    If two bodies stick together after collision and move as a single body, the collision is said to be

    Collision is a physical process in which two or more objects, either particle masses or rigid bodies, experience very high force of interaction for a very small duration. Its not essential for the objects to physically touch each other for collision to occur. Irrespective of the nature of interactive force and the nature of colliding bodies, Newtons second law holds good on the system. Hence, momentum of the system beofre and after the collision remains conserved if no appreciable external force acts on the system during collision. The amount of eneryg loss during collision, if at all, is indeed dependent on the nature of colliding objects. The energy loss is observed to be maximum when objects stick together after collision. The terminology is to define collision as elastic if no energy loss takes places andto define collision as plastic for maximum energy loss. The behaviour of system after collision depends on the position of colliding objects as well. A uni-directional motion of colliding objects before collision can turn two dimensional after collision if the line joining the centre of mass of the two colliding objects is not parallel to direction of velocity of each particle before collision. Such type of collision is referred to as oblique collision which may be either two or three dimensional. For which of the following collisions, the external force acting on the system during collision is not appreciable as mentioned in paragraph 1

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