Add Leaderboard video-generation first-frame assets (batch 1/1)

.gitattributes

@@ -28,3 +28,83 @@ Leaderboard/Video[[:space:]]Generation/DoublePhysics/MirrorFragmentReflect_RotTu
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Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__ZuBexw_trajectory/caption.txt

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+A red, worn rotating platform propels a light green vortex truck across its surface via continuous contact forces. The sudden cessation of rotation induces the truck to traverse along a tangential trajectory due to inertia. During collision with an oval mirror, the applied local impact force exceeds the structural tolerance limit. Under sudden stress, the brittle material fractures along multiple propagation paths. During the interaction, the mass of the truck is conserved, while fragments scatter outward.

Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__cSGr9M_trajectory/caption.txt

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+A peach-colored, glossy, mottled, cylindrical body rotates steadily, carrying a metallic, reflective, silver-toned truck on its surface via direct contact forces; the truck co-rotates with the cylinder. Upon abrupt cessation of rotation, the truck continues along a tangential trajectory due to inertia. It collides with an oval-shaped mirror positioned on the ground, applying a localized impact force exceeding the mirror’s brittle failure threshold. The mirror fractures along multiple stress-propagation pathways under sudden dynamic loading, while the truck’s mass remains conserved. Transient specular reflections from the truck’s metallic surface flash during both motion and impact, and the resulting mirror fragments retain their pre-fracture spatial configuration.

Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__hLTadv_trajectory/caption.txt

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+A salmon-colored rotating body undergoes stable rotation, supporting a silver reflective truck on its surface. Contact forces maintain the truck's motion until rotational motion ceases abruptly. Driven by inertia, the truck advances along a tangential trajectory, colliding with an elliptical mirror. The localized impact force exceeds the structural tolerance of the brittle material, causing the mirror to fracture along multiple crack propagation paths. Throughout the interaction, the truck's mass remains conserved, and light is distinctly reflected from its polished surface and the fractured fragments.

Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__n8RYwR_trajectory/caption.txt

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+A blue-gray toy truck undergoes rotation. Following the abrupt cessation of rotation, the truck proceeds along a tangential trajectory, governed by inertial forces. The truck maintains its total mass. Light rays undergo brief reflection from a curved elliptical mirror surface. This sequence demonstrates material limits.

Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__nRVKyH_trajectory/caption.txt

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+A light-blue truck undergoes rotational motion. Following the abrupt cessation of rotation, the truck proceeds along a tangential trajectory owing to inertia. It passes an elliptical mirror. Composed of brittle material, this mirror instantaneously reflects light. Concurrently, the truck's mass remains conserved throughout the entirety of the interaction process, maintaining its state of motion.

Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__nq2VZ4_trajectory/caption.txt

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+The red rotating body maintains stable rotation, transporting a pink wooden truck on its surface via frictional contact. Rotation ceases abruptly; the truck retains velocity due to inertia, traversing a tangential trajectory. The truck collides with an elliptical mirror, where the impact load exceeds the structural bearing limit. Subjected to sudden stress, the brittle material fails along multiple crack propagation paths, shattering into fragments while truck mass remains conserved during the interaction. Light reflects transiently on the smooth surface, followed by the outward propagation of the fragments.

Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__qGzFDZ_trajectory/caption.txt

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+The salmon-colored truck undergoes rotational motion. Upon the sudden cessation of this rotational motion, the truck continues its motion along a tangential trajectory due to inertia. Subsequently, the truck proceeds toward an elliptical mirror. Throughout the entire physical process, the total mass of the truck remains absolutely constant over time.

Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__sGPyVp_trajectory/caption.txt

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+An aged rotating platform supports a silver truck undergoing stable rotational motion continuously. Upon the instant cessation of the entire system's rotation, the truck proceeds along a tangent trajectory due to inertia. The truck subsequently collides with an elliptical mirror situated immediately ahead along its projected linear final path of travel.

Leaderboard/Video Generation/DoublePhysics/MirrorFragmentReflect_RotTurnableInertia__bg286__y2uGwa_trajectory/caption.txt

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+A gray matte truck undergoes rotational motion. Upon the abrupt cessation of rotation, the vehicle proceeds forward along a tangential trajectory due to inertia. The vehicle collides with an elliptical mirror positioned on the ground, where the applied local impact force exceeds the mirror's structural tolerance limit. Subjected to sudden stress, the brittle material fractures along multiple propagation paths. Throughout the interaction process, the mass of the truck remains strictly conserved.