Answer :
When two objects collide, they exert forces on each other that can cause one or both of them to move in a certain direction and with a certain quantity of energy.
These forces can be calculated by considering the mass of each object, the velocity of each object, and the distance between them. Depending on the type of collision, the forces exerted on each object will differ.
Inelastic collisions occur when the objects stick together or the kinetic energy of the objects is not conserved. In this type of collision, the forces exerted on each object are equal in magnitude but opposite in direction. This means that one object is pushing the other in one direction, while the other object is pushing in the other direction. As a result, the objects will move in a combined direction with a decreased kinetic energy.
Elastic collisions occur when the objects bounce off one another and the kinetic energy of the objects is conserved. In this type of collision, the forces exerted on each object are still equal in magnitude but opposite in direction. However, the objects will move in opposite directions with the same kinetic energy as before.
The forces exerted on objects in a collision can also be affected by external factors such as friction, air resistance, and gravity. In a collision with friction, the forces exerted on each object will be in the same direction and the kinetic energy of the objects will be decreased due to the energy lost to heat. In a collision with air resistance, the forces exerted on each object will be in the same direction and the kinetic energy of the objects will be decreased due to the energy lost to air drag. In a collision with gravity, the forces exerted on each object will be in the same direction and the kinetic energy of the objects will be decreased due to the energy lost to gravity.
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