Add Leaderboard video-generation first-frame assets (batch 255/303)

.gitattributes

@@ -23193,3 +23193,52 @@ Leaderboard/Video[[:space:]]Generation/TriplePhysics/MovingHitsMoving_FrictionSt
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Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__1tpCFa_trajectory/caption.txt

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+The silver bucket slides upward along the inclined plane, decelerating under gravitational and frictional forces before reversing direction to accelerate downward. Concurrently, a grey matte backpack is projected horizontally, traversing a parabolic trajectory to land at the slope crest and slide down. Simultaneously, a cyan pillow attached to two orange plastic balloons ascends vertically, driven by net upward buoyancy. As the backpack descends the incline, it collides with the ascending pillow-balloon assembly in mid-air, resulting in momentum transfer between the sliding backpack and the buoyant load.

Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__29tzIi_trajectory/caption.txt

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+The dark metal bucket slides upward, decelerating under kinetic friction and gravity, then accelerates downward in the reverse direction. The salmon-colored backpack is horizontally launched, following a parabolic trajectory, landing at the apex to initiate descent. A blue-green pillow tethered to two dark green balloons ascends vertically as buoyancy overcomes gravity. During the backpack's descent, it collides with the ascending pillow-balloon assembly in mid-air. The collision transfers momentum between the sliding mass and floating load, governed by gravity and rope constraints maintaining the pillow's ascent with the balloons.

Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__4rrk2T_trajectory/caption.txt

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+A golden cylinder ascends, decelerating under gravitational and frictional forces prior to reversing direction and accelerating downward. Concurrently, a cyan backpack is horizontally projected, traversing a parabolic trajectory to land and slide. Simultaneously, a cyan pillow tethered to two red plastic balloons ascends vertically, propelled by buoyancy exceeding gravitational force. As the backpack descends, it collides with the ascending pillow-balloon assembly in mid-air. The scenario encompasses conservation of mechanical energy and oblique projectile motion; gravitational acceleration acts upon the descending backpack, while the tethered system ascends steadily. At the moment of contact, momentum exchange occurs between the falling backpack and the buoyant pillow structure.

Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__BmOlwY_trajectory/caption.txt

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+The purple reflective cylinder ascends, decelerating under gravity and friction before accelerating downward. A salmon red backpack is horizontally projected, tracing a parabolic trajectory to land and slide down. A red pillow tethered with two green luminous balloons ascends steadily as buoyancy exceeds gravity. As the backpack descends, it collides with the ascending pillow-balloon assembly in mid-air; the impact transfers momentum between the falling mass and the buoyant load. Friction retards the cylinder's ascent, while gravitational acceleration drives both components past the peak before descending. Mechanical energy is conserved throughout the system's trajectory and during the collision.

Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__G3Cf8e_trajectory/caption.txt

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+The reflective cylindrical barrel slides upward along the inclined plane, decelerating under gravity and kinetic friction before accelerating downward. Simultaneously, a salmon-colored backpack is launched horizontally, following a parabolic ballistic trajectory, landing on the incline's top before sliding down. A cyan pillow tethered to an orange balloon ascends vertically as buoyancy exceeds total gravitational force. During the backpack's descent, it collides with the ascending pillow-balloon assembly in mid-air. This interaction exhibits momentum exchange, with gravity governing the trajectories of the sliding objects and the floating tethered system.

Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__H6T4EG_trajectory/caption.txt

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+A silver reflective cylindrical barrel ascends, decelerating under gravity and friction, then reversing direction to accelerate downward. Simultaneously, the cyan backpack is projected horizontally, following a parabolic trajectory to land and slide. Net upward buoyancy causes the salmon pillow, tethered to two green balloons, to ascend vertically and steadily. The descending backpack collides mid-air with the ascending pillow-balloon assembly. During impact, momentum transfers between the sliding backpack and the floating cushion system. The barrel continues descending unaffected, while the suspended pillow's trajectory deflects following contact. Gravity and tension constrain the subsequent motion of each object.

Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__ICGzuw_trajectory/caption.txt

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+The golden cylinder ascends, decelerating under gravitational and frictional forces before reversing direction and accelerating downward. Concurrently, the red backpack traverses a parabolic trajectory, landing at the apex and sliding downward. Above, a grey matte pillow tethered to two grey balloons ascends, driven by buoyant force exceeding gravitational weight. As the backpack descends, it collides mid-air with the ascending pillow-balloon assembly. The impact transfers momentum between the falling backpack and the suspended assembly, with tethers constraining the balloons to the pillow. The golden cylinder continues its descent, maintaining a trajectory independent of the upper collision event.

Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__LHOA25_trajectory/caption.txt

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+The dark metallic barrel ascends, decelerating under gravity and friction before accelerating downwards. Simultaneously, the red backpack is projected horizontally, tracing a parabolic trajectory to its apex before descending. Concurrently, the salmon-colored pillow tethered to two brown balloons undergoes vertical ascent as buoyancy exceeds the total gravitational force. During the backpack's descent, the pillow-balloon assembly ascends steadily. The descending backpack collides with the ascending pillow and balloons in mid-air. This impact induces momentum transfer between the moving backpack and the buoyancy component.

Leaderboard/Video Generation/TriplePhysics/MovingHitsMoving_ObliqueProjectile_BalloonLift__bg264__WiB9WY_trajectory/caption.txt

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+The copper barrel slides upward, decelerating under the combined influence of gravity and friction before reversing direction and subsequently accelerating downward. Concurrently, the cyan backpack follows a parabolic trajectory, lands at the apex, and slides downward. Simultaneously, the salmon-colored pillow tethered to two golden balloons ascends vertically as buoyant force exceeds gravitational force. During its descent, the backpack collides with the ascending pillow-balloon system in mid-air. This interaction demonstrates the conservation of mechanical energy and momentum, illustrating oblique projectile motion opposing gravity and lift.