Key Concepts:

* Inelastic Collision: Kinetic energy is not conserved. Some of the initial kinetic energy is lost due to heat, sound, deformation of the objects, etc.

* Momentum Conservation: In any collision, the total momentum of the system remains constant.

Scenario:

1. Before the Collision:

* A large body (let's call it A) with mass 'M' is moving with velocity 'v'.

* A small body (let's call it B) with mass 'm' is stationary.

2. During the Collision:

* Body A hits body B from the rear.

* The impact causes deformation and heat generation, resulting in a loss of kinetic energy.

* The two bodies will stick together, forming a single mass.

3. After the Collision:

* The combined mass (M+m) moves with a common velocity 'v'' (read as v prime).

* This velocity 'v'' will be less than the initial velocity 'v' of body A due to the energy loss.

Calculations:

We can use the conservation of momentum principle to find the final velocity 'v'' :

* Initial momentum = Final momentum

* M * v + m * 0 = (M + m) * v'

* v' = (M * v) / (M + m)

Behavior:

* Combined Motion: The two bodies will move together as one unit after the collision.

* Reduced Velocity: The final velocity of the combined mass will be less than the initial velocity of the larger body.

* Energy Loss: A significant amount of kinetic energy is lost in the collision, converting to heat, sound, and deformation.

Example:

Imagine a large truck (A) hitting a small car (B) from behind. The car will be severely damaged, the truck might experience some damage as well, and the combined mass will move forward with a lower velocity than the truck had initially.

Important Note: This is a simplified explanation. In real-world scenarios, other factors like the materials of the objects, impact angles, and friction play a role in the collision dynamics.