Resulting Torque - F=2.0i+4.4j N, x=3.1m, y=-3.1m

[chemnerd727]

Homework Statement

A Force of F= 2.0i + 4.4j N is applied at point x=3.1 m, y=-3.1 m. Find the resulting torque about the origin.

Homework Equations

Not sure :/ t=rFsin0

The Attempt at a Solution

 

[gneill]

Homework Statement

A Force of F= 2.0i + 4.4j N is applied at point x=3.1 m, y=-3.1 m. Find the resulting torque about the origin.

Homework Equations

Not sure :/ t=rFsin0

The Attempt at a Solution

Hi chemnerd727, Welcome to Physics Forums.

What's the vector version of the torque formula? (hint: involves a cross product).