Sub-topic 1
2024 · National Quarterfinal
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Conditions for zero friction force (true/false)
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Sub-topic 2
2024 · National Preliminary
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Acceleration of an object on a smooth inclined plane: a = g sin(theta)
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Sub-topic 3
2024 · National Preliminary
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Friction between two stacked objects pulled together: coefficient of static friction
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Sub-topic 4
2024 · National Preliminary
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Forces on an object sliding down a smooth inclined plane: true/false
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Sub-topic 5
2026 · National Semifinal
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Speed of an object partway down a frictionless inclined plane using energy conservation
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Sub-topic 6
2023 · National One-Eighth
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Normal force on an object resting on an inclined plane
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Sub-topic 7
2023 · National Preliminary
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Normal force on an object resting on an inclined plane
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Sub-topic 8
2026 · National Preliminary
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Limiting friction on an inclined plane at the critical sliding angle (true/false)
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Sub-topic 9
2026 · National Preliminary
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Limiting friction on an inclined plane at the critical sliding angle (true/false)
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Sub-topic 10
2024 · National One-Eighth
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Conditions under which the friction force on an object is zero (true/false)
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Sub-topic 11
2014 · National Final
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Work done by friction is path-dependent (true/false)
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Sub-topic 12
2022 · National Preliminary
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Normal force on an inclined plane, fn=mg cosθ
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Sub-topic 13
2023 · National Preliminary
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Normal force on an inclined plane, fn=w cosθ, 48n/60°
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Sub-topic 14
2023 · National Quarterfinal
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Normal force on an inclined plane, fn=w cosθ, 8.0n/30°
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