Add Leaderboard video-generation first-frame assets (batch 296/303)

.gitattributes

@@ -25570,3 +25570,70 @@ Leaderboard/Video[[:space:]]Generation/TriplePhysics/AccelConcaveSpin_FrictionSt
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Leaderboard/Video Generation/TriplePhysics/AccelConcaveSpin_FrictionStop_BalloonTether__bg212__vVleiM_trajectory/caption.txt

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+A blue plastic sphere descends vertically under gravitational acceleration, contacting the inner surface of a rotating, off-white, rough bowl. Interfacial friction and energy dissipation transfer tangential velocity from the container to the sphere. Consequently, the sphere moves radially outward due to inertial effects within the rotating reference frame. Upon reaching the rim, it detaches and enters a ballistic trajectory. Simultaneously, a silver balloon ascends vertically, its motion driven by a net upward buoyant force exceeding gravity. The sphere's trajectory reflects the centrifugal force acting under the container's accelerated rotation, while the balloon remains suspended via buoyancy.

Leaderboard/Video Generation/TriplePhysics/AccelConcaveSpin_FrictionStop_BalloonTether__bg212__ydNozy_trajectory/caption.txt

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+An orange plastic sphere falls vertically under gravitational acceleration, contacting the inner surface of a yellow rotating cylindrical platform. Friction at the contact point imparts tangential velocity to the sphere; due to inertial effects, the sphere moves radially outward, detaches upon reaching the edge, and enters a ballistic trajectory. Simultaneously, a green rough-surfaced balloon ascends vertically, driven by a net upward buoyant force exceeding its weight. Energy transfer occurs between the rotating surface and the sphere during interaction, while the green rough-surfaced balloon rises steadily against gravitational force.

Leaderboard/Video Generation/TriplePhysics/BalloonFloat_BalloonLift_LinCarryInertia__bg228__2i7uNu_trajectory/caption.txt

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+A yellow-green truck advances forward with a brown apple positioned on its flatbed. Following a collision, the truck comes to an abrupt halt. The apple maintains horizontal motion for a short distance before descending under gravity. Nearby, a blue reflective headphone undergoes lateral displacement induced by the truck's motion, subsequently ascending. Two grey tethered balloons attached to the headphone exert buoyant force exceeding gravitational force on the blue headphone suspended beneath them via ropes, resulting in the ascent of the headphone.

Leaderboard/Video Generation/TriplePhysics/BalloonFloat_BalloonLift_LinCarryInertia__bg228__56GkDL_trajectory/caption.txt

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+An orange plastic truck moves forward, carrying a green apple on its flatbed. Upon sudden deceleration, the vehicle comes to rest, and the green apple continues forward motion due to inertia before descending. A yellow balloon undergoes lateral displacement during travel and subsequently ascends. Simultaneously, the buoyant force produced by two pale pink wooden tethered balloons attached to the truck exceeds the gravitational force acting on blue plastic headphones suspended beneath via rope constraints. Therefore, the headphones ascend together with the rising yellow balloon.

Leaderboard/Video Generation/TriplePhysics/BalloonFloat_BalloonLift_LinCarryInertia__bg228__EtqtmA_trajectory/caption.txt

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+A grey truck advances linearly, bearing a moss-covered apple on its flatbed surface. Upon impact, the vehicle ceases motion instantaneously. Owing to inertia, the apple translates horizontally forward before undergoing vertical descent. A green balloon situated adjacent to the truck undergoes lateral displacement and vertical ascent. Furthermore, two balloons tethered to the truck exert a buoyant force exceeding gravitational weight upon yellow headphones suspended beneath via ropes, resulting in the ascent of the apparatus.

Leaderboard/Video Generation/TriplePhysics/BalloonFloat_BalloonLift_LinCarryInertia__bg228__QXrbJc_trajectory/caption.txt

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+A truck flatbed transporting grey apples advances forward. Following impact, the truck halts abruptly. The apples retain momentum, sliding horizontally before descending vertically under gravitational force. Positioned ahead, a brown matte balloon undergoes initial lateral displacement induced by truck motion, subsequently ascending. Concurrently, buoyant force exerted by two matte tethered balloons on brown plastic headphones suspended below and constrained by ropes exceeds gravitational force, resulting in the headphones ascending. The brown balloon similarly ascends continuously as buoyancy overcomes gravitational force.

Leaderboard/Video Generation/TriplePhysics/BalloonFloat_BalloonLift_LinCarryInertia__bg228__Rrulq7_trajectory/caption.txt

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+A truck transports orange apples on a flatbed platform during motion. Following an impact, the truck halts abruptly; orange apples retain forward momentum due to inertia, sliding horizontally prior to descent. Nearby pale yellow balloons undergo lateral displacement induced by truck motion, subsequently ascending under buoyancy. Simultaneously, two red tethered balloons exert buoyancy exceeding gravity on blue plastic headphones suspended by rope constraints; the headphones ascend with the balloons. After separation from the sliding fruit, vertical descent occurs under gravity. Truck deceleration triggers inertial sliding, sustaining the transmitted causal sequence.

Leaderboard/Video Generation/TriplePhysics/BalloonFloat_BalloonLift_LinCarryInertia__bg228__WvOKUT_trajectory/caption.txt

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+A green plastic truck transporting red-orange apples advances along a flatbed. Following a collision, the vehicle halts abruptly; the apples displace forward due to inertia and descend under gravity. Nearby, a red-orange balloon undergoes lateral displacement before ascending via buoyancy. Simultaneously, two red tethered balloons attach to the truck, generating lift sufficient to counteract the gravitational force acting upon an orange plastic headset suspended below and constrained by ropes. The headset ascends steadily in conjunction with another rising red-orange balloon. Buoyancy drives the ascent of both entities, while the headset remains secured by taut ropes throughout the trajectory.

Leaderboard/Video Generation/TriplePhysics/BalloonFloat_BalloonLift_LinCarryInertia__bg228__Z12Juo_trajectory/caption.txt

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+An orange plastic truck transporting an orange apple travels forward on a flatbed. The truck comes to rest abruptly following a collision. Due to inertia, the apple maintains horizontal motion for a short distance before descending under gravitational acceleration. A blue balloon positioned ahead undergoes lateral displacement induced by the truck's motion, subsequently ascending. Two tethered aluminum balloons affixed to the truck generate buoyant force exceeding the gravitational force acting on the orange headphones suspended beneath via ropes, resulting in upward motion of the headphones. Concurrently, the blue balloon ascends driven by buoyancy.