# Gravity Menu Path : **Force >** **Gravity** The **Gravity** block applies the given force to particles. To do this, it changes the affected particles’ velocity. ## Block compatibility This Block is compatible with the following Contexts: - [Update](Context-Update.md) ## Block properties | **Input** | **Type** | **Description** | | --------- | ------------------------ | ------------------------------------------------------------ | | **Force** | [Vector](Type-Vector.md) | The force vector this block applies. The default value is (0, -9.81, 0) which simulates gravity on Earth. | ## Remarks This block only affects the particle position if you enable the **Update Position** setting in the [Update Context](Context-Update.md).