Topic — Momentum, impulse and their conservation in collisions and explosions.
Featured in chapters
05·06
Linked atoms
82 linked atoms.
05 Momentum and collisions
- Life-saving shock absorbers
- Car versus lorry
- Child jumping onto a trolley
- Bowling ball against pin
- Falling onto a mattress
- Trolley and running person
- Conservation of momentum
- Conservation and change of reference frame
- Crash test with airbag
- Bubble diagram for collisions
- Proof of 1D elastic collision
- Hockey pucks
- Elastic tennis
- Worked example — collision via spring
- Worked example — explosion into two fragments
- Worked example — 1D elastic collision
- Worked example — partially inelastic collision
- Explosions
- Triangular F(t) graph
- p(t) graph of a rocket
- Huygens and the laws of collisions
- Impulse
- Impulse on the tennis ball
- Newton’s cradle
- The ball that comes back
- The two parallel tables
- Mass that halves
- Ballistic pendulum (height)
- Ballistic pendulum (velocity)
- Why airbags save lives
- Why is momentum conserved?
- Problem — 2D explosion with three fragments
- Problem — Jumping from a window
- Momentum
- Momentum of a car
- Momentum: the principle before the law
- Ranking kinetic energies
- Ranking momenta
- Ranking momentum (mv)
- Multistage rocket
- Rocket in a vacuum
- Recoil of the cannon
- Recoil of a pistol
- Recoil on ice
- Jump from the bench
- Sudden steering (impulse)
- Fermi estimate, kicking a ball
- Fermi estimate, deflecting an asteroid
- Fermi estimate, mass of the projectile
- Impulse theorem and the fence diagram
- Broken third law
- Types of collision: elastic, inelastic, totally inelastic
- Three bodies in cascade
- Three balls against the wall
- Perpendicular 2D collision
- Inelastic collision lorry-car
- Collision with spring in three phases
- Elastic collision in 1D
- Elastic collision between two marbles
- Elastic collision between different masses
- Velocity from total momentum
- True or false (impulse and collisions)
- True or false on collisions
- Towards the centre of mass
06 Centre of mass
- Airbag
- Shock absorbers
- Kick and impulse
- Elastic versus completely inelastic
- Impulse and velocity of a small ball
- Reading a force-time graph
- Ranking final velocity after collisions
- Water bottle rocket
- Rocket and the Tsiolkovsky equation
- Recoil of a rifle
- Jump from a stool
- Challenge: simultaneous three-body collision
- Elastic collision in 1D
- Collision between sledges
- Perfectly inelastic collision