The hinges are installed at 25 cm from the bottom r2 and 25 cm from the top r1.
Force about the door hinge.
To find the torque t door generated by all the forces acting on the door and attachments.
The door has a mass of 30 kg is 200 cm long and 90 cm wide.
The first force is at the midpoint of the door.
The door is in a state of static equilibrium.
Two forces produce equal torques on a door about the door hinge.
Which force has a greater magnitude.
Homework equations torque rfsinθ torque 0 nm f 0 fg 30kg 9 8m s 2.
From the hinge axis at a distance of 1cm if more than 10kgfs of force is applied the hinge will move.
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Multiply the distance from the hinge to the center of gravity of the door d 1 by cos θ and by the.
The second force is applied at the doorknob.
Selecting a torque hinge in order to a select a torque hinge two things are necessary.
Both fortes are applied perpendicular to the door.