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I have two standard cubes (A and B). I have a specific animation plan. Cube A has a linear movement along the X axis. The animation starts at frame #1, the animation ends at frame #30. Cube B has a linear movement along the X axis. The animation starts at frame #40, the animation ends at frame #70. The linear movement of the cubes is carried out by keyframe animation. In frame #31, the Rigid Body World physics simulation begins. The physics simulation of Cube B should start at frame #71.

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These two cubes have Rigid Body modifiers with standard settings. Cube A animates perfectly. To delay the physics simulation of Cube B (until frame #71), I use the Dynamic option. Disabling Dynamic results in blocking the linear motion of Cube B.

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How can I exclude the effect of the Dynamic option on the linear motion of an object? Can I create multiple instances of Rigid Body World in the same scene?

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  • $\begingroup$ Blender version 3.0. $\endgroup$ Commented Feb 15, 2022 at 14:47
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    $\begingroup$ You cannot animate and have rigid body simulation on the same frame. You have to decide: animate it yourself or use physics. $\endgroup$
    – Chris
    Commented Feb 15, 2022 at 15:43

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It is not possible to use rigid body simulations and keyframes animation at the same time. Either the solid mesh is under full control of physics or it isn't.

What you can attempt is keyframing force amounts, depending on what you are trying to do.

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