Add Leaderboard video-generation first-frame assets (batch 202/205)

.gitattributes

@@ -17223,3 +17223,79 @@ Leaderboard/Video[[:space:]]Generation/TriplePhysics/WindPushOppDir_VerticalFall
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Leaderboard/Video Generation/DoublePhysics/AccelPanelSpin_BalloonFloat__bg202__JU7qvb_trajectory/caption.txt

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+A teal spherical balloon ascends vertically from a pale yellow matte surface, buoyed by air. An orange smooth glossy rectangular object—visually consistent with a computer keyboard—mounted on a cylindrical platform, undergoes accelerating rotation, its outer edge tracing a circular path with increasing tangential velocity. As the balloon reaches the rotational plane, it collides with the rapidly moving edge of the rotating object; the impact transfers angular momentum, sharply redirecting the balloon outward along a tangent to the object’s instantaneous circular trajectory.

Leaderboard/Video Generation/DoublePhysics/AccelPanelSpin_BalloonFloat__bg202__houS4F_trajectory/caption.txt

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+A pale yellow matte road surface underlies the scene, marked with blue and white geometric patterns. An orange spherical balloon rises vertically from the surface, buoyed by air, its ascent governed by buoyancy. A purple glossy smooth yellow matte computer keyboard, mounted on a cylindrical platform, spins with accelerating rotation, its outer edge tracing an ever-faster circular path. As the balloon reaches the plane of rotation, it collides with the keyboard’s rapidly moving edge. The impact transfers angular momentum, flinging the balloon outward along a tangent to the instantaneous circle—its motion now dictated by the rotational dynamics and centrifugal effects of the spinning assembly.

Leaderboard/Video Generation/DoublePhysics/AccelPanelSpin_BalloonFloat__bg202__lo1Jkn_trajectory/caption.txt

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+A red spherical balloon ascends vertically from a purple, glossy, smooth road, buoyed by air. An orange, smooth, matte computer keyboard—mounted on a cylindrical platform—undergoes accelerating rotation, its outer rim sweeping increasingly faster through space. As the balloon reaches the rotational plane, it collides with the rapidly moving rim of the keyboard; the impact transfers angular momentum, sharply redirecting the balloon’s trajectory outward along the tangent to the keyboard’s instantaneous circular motion.

Leaderboard/Video Generation/DoublePhysics/MovingHitsMoving_RollDownSlope__bg310__7QccVH_trajectory/caption.txt

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+A silver wheel hub rolls across the wooden floor toward a black tire. Upon contact, the hub transfers linear momentum to the tire, inducing a slight recoil in the tire while the hub retains its forward translational and rotational motion. The hub proceeds rolling until it reaches the edge of a wooden ramp, then descends the incline under gravitational acceleration; during the descent, both its translational and rotational kinetic energy increase as it moves downhill along the slope.

Leaderboard/Video Generation/DoublePhysics/MovingHitsMoving_RollDownSlope__bg310__AEcdfV_trajectory/caption.txt

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+A dark, weathered metallic wheel rolls across the wooden floor toward a black tire; upon contact, it transfers linear momentum, inducing a slight recoil in the tire while the wheel preserves its forward translation and rotation. The wheel proceeds rolling until it reaches the edge of a wooden ramp, then descends the incline under gravitational acceleration, concurrently increasing both its translational and rotational kinetic energy as it moves downhill along the slope. A golden, brushed-metal cube remains stationary near the ramp’s base throughout the sequence, while a beige, brick-patterned wheel stays entirely out of frame.

Leaderboard/Video Generation/DoublePhysics/MovingHitsMoving_RollDownSlope__bg310__BzDjhN_trajectory/caption.txt

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+A dark, weathered metallic wheel rolls across a red, textured floor toward a black tire. Upon contact, the wheel transfers linear momentum to the tire, inducing a slight recoil in the tire while the wheel persists forward with combined translational and rotational motion. It then arrives at the edge of a wooden ramp and descends the incline under gravitational acceleration; during this descent, both its translational and rotational kinetic energy increase as it moves downhill along the slope. A salmon-colored, matte-finished cube rests nearby on the floor, remaining stationary and uninvolved in the interaction.

Leaderboard/Video Generation/DoublePhysics/MovingHitsMoving_RollDownSlope__bg310__ZHbD7g_trajectory/caption.txt

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+An aluminum rim rolls toward a matte light-green wheel. Upon contact, the rim transfers linear momentum to the wheel, inducing slight recoil, while maintaining forward translational and rotational motion. The rim continues rolling until reaching a downward slope, descending under gravitational acceleration. During the descent, as it traverses the incline, both translational kinetic energy and rotational kinetic energy increase.

Leaderboard/Video Generation/DoublePhysics/MovingHitsMoving_RollDownSlope__bg310__ZIv0N2_trajectory/caption.txt

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+A silver wheel rolls along a gray surface toward a dark metal wheel. Upon contact, linear momentum transfers to the second object, inducing a slight recoil, while the first object retains forward translational and rotational motion. The silver wheel continues rolling until reaching the edge of a wooden ramp, then descends the incline under gravitational acceleration. During the descent, as it progresses down the slope, both its translational and rotational kinetic energies increase.

Leaderboard/Video Generation/DoublePhysics/MovingHitsMoving_RollDownSlope__bg310__iU5Nn2_trajectory/caption.txt

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+A silver, rough-surfaced metallic wheel rolls across a wooden floor toward a black tire; upon impact, it transfers linear momentum, inducing a slight recoil in the tire while the wheel persists forward with concurrent translation and rotation. The wheel then arrives at the edge of a wooden ramp and descends the incline under gravitational acceleration, its translational and rotational kinetic energy increasing as it moves downhill along the slope. Near the ramp’s base, a silver, ribbed metallic cube remains stationary and does not participate in the motion.