Could someone please help

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?