Two Equal-Magnitude Forces Are Applied to a Door at the Doorknob.The

question 33

Multiple Choice

Two equal-magnitude forces are applied to a door at the doorknob.The first force is applied perpendicular to the door,and the second force is applied at 30° to the plane of the door.Which force exerts the greater torque about the door hinge?

• A)the first force (applied perpendicular to the door)
• B)the second force (applied at an angle)
• C)Both forces exert equal non-zero torques.
• D)Both forces exert zero torque.