Sub-topic 1
2024 · National Quarterfinal
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Acceleration from a vector net force
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Sub-topic 2
2025 · National Preliminary
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Acceleration from a vector net force
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Sub-topic 3
2024 · National Preliminary
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Mechanical equilibrium of a particle: true/false
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Sub-topic 4
2024 · National Preliminary
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Mechanical equilibrium of a particle: true/false
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Sub-topic 5
2024 · National Preliminary
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Mass and weight: true/false
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Sub-topic 6
2024 · National Preliminary
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Identifying levers among simple machines: true/false
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Sub-topic 7
2026 · National One-Eighth
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Apparent weight on a spring scale in an accelerating elevator (true/false)
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Sub-topic 8
2026 · National Semifinal
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Velocity of the center of mass of a two-particle system
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Sub-topic 9
2026 · National One-Eighth
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Force from a velocity function via differentiation
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Sub-topic 10
2018 · National Preliminary
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Resolving a force along a given unit vector direction
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Sub-topic 11
2025 · National Quarterfinal
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Net force on a variable-mass object
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Sub-topic 12
2025 · National Quarterfinal
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Total kinetic energy of a two-particle system
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Sub-topic 13
2026 · National Preliminary
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Problem of the day: newton's first and second laws, and change in velocity from a constant force
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Sub-topic 14
2026 · National Preliminary
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Newton's first law in an inertial reference frame (true/false)
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Sub-topic 15
2023 · National Preliminary
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Net force, acceleration and direction of motion (true/false)
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Sub-topic 16
2025 · National One-Eighth
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Square of the change in velocity for a 90-degree direction change at constant speed
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Sub-topic 17
2012 · National Preliminary
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Mechanical equilibrium requires balanced (not zero) forces
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Sub-topic 18
2013 · National Preliminary
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Mechanical equilibrium and zero net force (true/false)
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Sub-topic 19
2013 · National Preliminary
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Acceleration of a mass from two opposing horizontal forces
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Sub-topic 20
2023 · National Preliminary
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Riddle: newton's first law of motion (law of inertia)
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Sub-topic 21
2019 · National Preliminary
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Heat generated from a decelerated projectile's lost kinetic energy
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Sub-topic 22
2023 · National Preliminary
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Finding mass from net force and acceleration, $F = ma$
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