Collisions (Conservation of Momentum)

In which type of collision is kinetic energy conserved?

• Inelastic collisions

• Elastic collisions

• Perfectly inelastic collisions

• Superelastic collisions

How is kinetic energy treated during an elastic collision?

• Kinetic energy is always conserved during an elastic collision.

• Kinetic energy is lost during an elastic collision.

• Kinetic energy is converted into potential energy during an elastic collision.

• Kinetic energy is partially conserved during an elastic collision.

What is an example of an elastic collision?

• A collision between two billiard balls is an example of an elastic collision.

• A car crash where both cars crumple is an example of an elastic collision.

• A rubber ball bouncing off a wall is an example of an elastic collision.

• A collision between two clay balls that stick together is an example of an elastic collision.

What is the principle of conservation of momentum?

• The total momentum of a closed system remains constant if no external forces act on it.

• Momentum can be created or destroyed in a closed system.

• The momentum of an object is always equal to its mass times its velocity.

• Momentum is conserved only in elastic collisions.

What are the two types of collisions?

• Elastic and plastic

• Elastic and inelastic

• Inelastic and rigid

• Elastic and dynamic

What is an inelastic collision?

• A collision where both momentum and kinetic energy are conserved.

• A collision where momentum is conserved, but kinetic energy is not.

• A collision that occurs without any external forces acting on the objects.

• A collision where kinetic energy is conserved, but momentum is not.

Can kinetic energy be converted into other forms of energy during a collision?

• No, kinetic energy cannot be converted into other forms of energy.

• Yes, in elastic collisions, kinetic energy is conserved.

• Yes, in inelastic collisions, kinetic energy can be converted into other forms of energy, such as heat or sound.

• Kinetic energy can only be converted into potential energy.

What is the formula for calculating momentum?

• p = mass (m) × velocity (v)

• p = mass (m) + velocity (v)

• p = mass (m) / velocity (v)

• p = mass (m) - velocity (v)

What defines a collision?

• A collision occurs when two or more objects hit each other with a force.

• A collision is when objects move past each other without interaction.

• A collision happens when two objects are at rest relative to each other.

• A collision is defined as the interaction of two objects in a vacuum.

How can you determine if a collision is elastic or inelastic?

• If the objects bounce off each other and kinetic energy is conserved, it is elastic.

• If the objects stick together and kinetic energy is conserved, it is elastic.

• If the objects bounce off each other and kinetic energy is lost, it is inelastic.

• If the objects stick together and kinetic energy is lost, it is elastic.