Legacy Documentation: Version 5.1
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ForceMode2D.Force

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Description

Add a force to the Rigidbody2D, using its mass.

Apply the force in each FixedUpdate over a duration of time. This mode depends on the mass of rigidbody so more force must be applied to move higher-mass objects the same amount as lower-mass objects.

This mode is useful for setting up realistic physics where it takes more force to move heavier objects.