Torque and Work Practice Test

A uniform door rotates about hinges on its left edge (pivot). A student pushes with a constant force $F$ perpendicular to the door’s surface at the doorknob, causing the door to swing open through $90^\circ$ counterclockwise. Which statement about the work done by the torque from the student’s force is correct?

A wheel rotates about a fixed axle at its center (pivot). A tangential force $F$ is applied at the rim in the clockwise direction, and the wheel rotates clockwise through angle $\theta$. Which statement about the work done by the torque from $F$ is correct?