# Joint:getReactionForce

Returns the reaction force in newtons on the second body

## Function

Available since LÖVE 0.8.0
This variant is not supported in earlier versions.

### Synopsis

    x, y = Joint:getReactionForce( invdt )

### Arguments

`number x`
  How long the force applies. Usually the inverse time step or 1/dt.

### Returns

`number x`
  The x-component of the force.
`number y`
  The y-component of the force.

## Function

Removed in LÖVE 0.8.0
This variant is not supported in that and later versions.

### Synopsis

    x, y = Joint:getReactionForce( )

### Arguments

None.

### Returns

`number x`
  The x-component of the force.
`number y`
  The y-component of the force.

## See Also

- Joint

##

Category:

- Functions