Sub-topic 1
2024 · National Preliminary
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Linear momentum and impulse in a collision with a wall
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Sub-topic 2
2024 · National Preliminary
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Linear momentum and impulse in a collision with a wall
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Sub-topic 3
2025 · National Preliminary
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Linear momentum and impulse in a collision with a wall
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Sub-topic 4
2025 · National Preliminary
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Linear momentum of an object from its position change over time
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Sub-topic 5
2026 · National Quarterfinal
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Impulse-momentum theorem: finding net force from a change in momentum over a short time
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Sub-topic 6
2018 · National Preliminary
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Ranking particles by linear momentum and kinetic energy
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Sub-topic 7
2018 · National Quarterfinal
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Force from the impulse-momentum theorem
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Sub-topic 8
2023 · National One-Eighth
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Impulse and average force from a change in vector momentum
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Sub-topic 9
2023 · National One-Eighth
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Linear momentum of an object from its velocity vector
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Sub-topic 10
2021 · National Preliminary
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Kinetic energy identities in terms of momentum (true/false)
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Sub-topic 11
2021 · National Preliminary
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Force from impulse and time
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Sub-topic 12
2026 · National Preliminary
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Riddle: impulse as the time integral of force
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Sub-topic 13
2026 · National Preliminary
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Riddle: impulse as the time integral of force
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Sub-topic 14
2024 · National One-Eighth
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Mass of an incoming particle from a perfectly inelastic collision
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Sub-topic 15
2026 · National Final
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Ballistic pendulum: greatest swing height from a perfectly inelastic collision
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Sub-topic 16
2026 · National Preliminary
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Riddle: a constant force (constant acceleration, work as f dot d, impulse as f times t)
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Sub-topic 17
2026 · National Preliminary
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Magnitude of total linear momentum after a perfectly inelastic collision
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Sub-topic 18
2023 · National Preliminary
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Problem of the day: momentum, net force and impulse from a velocity function
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Sub-topic 19
2023 · National Preliminary
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Riddle: elastic collision, characterized by conservation of kinetic energy
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Sub-topic 20
2023 · National Preliminary
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Rate-of-change relationships: momentum-force, angular momentum-torque, pressure-energy density (true/false)
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Sub-topic 21
2013 · National Preliminary
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Conservation of linear momentum requires zero net force (true/false)
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Sub-topic 22
2013 · National Preliminary
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Conserved quantity in a perfectly inelastic collision
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Sub-topic 23
2013 · National Preliminary
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Conserved quantities in an elastic collision
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Sub-topic 24
2013 · National Preliminary
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Force equals the rate of change of momentum, not impulse (true/false)
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Sub-topic 25
2017 · National Quarterfinal
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Coefficient of restitution from an object's drop and rebound heights
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Sub-topic 26
2020 · National One-Eighth
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Coefficient of restitution from drop and rebound heights
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Sub-topic 27
2022 · National Preliminary
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Linear momentum from mass and kinetic energy, p=√(2mke)
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Sub-topic 28
2022 · National Preliminary
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Finding mass from linear momentum and velocity, m=p/v
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Sub-topic 29
2022 · National Preliminary
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Kinetic energy from linear momentum and mass, ke=p²/2m
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Sub-topic 30
2022 · National One-Eighth
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True or false: in a head-on collision, one object's speed increase equals the other's speed decrease
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Sub-topic 31
2022 · National One-Eighth
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True or false: in a head-on collision, momentum gained by one object equals momentum lost by the other
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Sub-topic 32
2022 · National One-Eighth
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True or false: in a head-on collision, kinetic energy gained by one object equals that gained by the other
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Sub-topic 33
2023 · National Preliminary
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Mass from linear momentum magnitude and velocity
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Sub-topic 34
2023 · National Preliminary
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True or false: force is the rate of change of linear momentum
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Sub-topic 35
2023 · National One-Eighth
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Kinetic energy from mass and a momentum vector's magnitude
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Sub-topic 36
2023 · National One-Eighth
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Initial speed for a perfectly inelastic collision to reach a target common speed
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Sub-topic 37
2023 · National One-Eighth
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Common speed after a perfectly inelastic collision, given initial speed
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Sub-topic 38
2023 · National Preliminary
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Kinetic energy from momentum magnitude and mass
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Sub-topic 39
2023 · National Preliminary
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Mass from kinetic energy and momentum magnitude, variant 24j/12ns
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Sub-topic 40
2023 · National Preliminary
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Velocity of an object from mass and a linear momentum vector
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Sub-topic 41
2023 · National Preliminary
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True or false: impulse from a 20kg object's speed change 20→30m/s equals 600n·s
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Sub-topic 42
2023 · National Preliminary
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True or false: impulse from a 20kg object's speed change 20→30m/s equals 1000n·s
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Sub-topic 43
2023 · National Preliminary
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True or false: impulse from a 20kg object's speed change 20→30m/s equals 200n·s
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