Solution for a uniform thin solid door has height 2 24 m width 0 873 m and mass 25 0 kg.
Moment of inertia of a hinged door.
Express your answer to two significant figures and include the appropriate units.
What is the door s moment of inertia for rotation on its hinges.
A 22 kg solid door is 220 cm tall 90 cm wide.
Ignore the thickness of the door express your answer using two significant figures.
Moment of inertia is the measure of an object s resistance to changes in its rotation rate.
Homework equations i 1 12 m a 2 b 2 mr 2 parallel axis theorem the attempt at a solution i initially used the door height and width as a and b i m sure this is right and used the door thickness as the distance between axis.
The moment of inertia depends on the mass of an object but it also depends on how that.
Find its moment of inertia for rotation on its hinges.
What is the door s moment of inertia for rotation about a vertical axis inside the door 12 cm from one edge.
Find the angular speed of the door just after the bullet embeds into it.
What is the door s moment of inertia for rotation about a vertical axis.
A 23 kg solid door is 220 cm tall 95 cm wide.
What is the moment of inertia of the door about the axis through its hinges.
If you exert a force at the hinge the door will not move.
What is the door s moment of inertia for rotation on its hinges.
The easiest way to open a door is to exert a force on the side of the door opposite the hinge and to push or pull with a force perpendicular to the door.
Determine the moment of inertia of a 17 kg door that is 2 5 m high and 1 5m wide and is hinged along long side.
This maximizes the torque you exert.
It is hinged at one end and rotates about a vertical axis practically without friction.
The moment of inertia of the door about the vertical axis at one end is ml 2 3.