All Flashcards
What is the effect of increasing the time of impact during a collision?
Increasing the time of impact reduces the force experienced, given a constant impulse (change in momentum).
What is the effect of applying a net force on an object for a certain time interval?
The object experiences an impulse, resulting in a change in its momentum.
What happens to the total momentum of a closed system during a collision?
The total momentum remains constant (is conserved).
What are the differences between elastic and inelastic collisions?
Elastic: Kinetic energy is conserved, objects bounce off each other. Inelastic: Kinetic energy is not conserved, objects may stick together.
Compare and contrast momentum and impulse.
Momentum: A measure of an object's motion (mass x velocity). Impulse: Change in momentum, equal to force x time.
What are the steps to solve conservation of momentum problems?
- Identify the system and ensure it's closed (no external forces). 2. Write down the initial momentum of all objects in the system. 3. Write down the final momentum of all objects in the system. 4. Set the total initial momentum equal to the total final momentum. . 5. Solve for the unknown quantities.