A 200-Kg Uniform Door Has a Width of 1

question 18

Essay

A 20.0-kg uniform door has a width of 1.20 m and a height of 2.50 m. The door is mounted on a post by a pair of hinges, marked 1 and 2 in the figure, at the top and bottom of the door. An external force of 60.0 N, at an angle of 30.0° above the horizontal, is applied to the small doorknob, as shown in the figure. The doorknob is 1.00 m above the bottom of the door.
(a) Find the x component of the force that hinge 1 exerts on the door at the top.
(b) Find the SUM of the y components of the forces that hinges 1 and 2 together exert on the door.

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Definitions:

Continuity of Existence

A characteristic of certain business entities that ensures their existence persists regardless of changes in ownership or membership.

Mining Partnership

A specialized form of association where two or more persons collaborate in the development and operation of a mine, sharing profits and losses proportionally to their contributions.

Mineral Interest

The legal share or entitlement to profits from minerals extracted from the ground, typically pertaining to property rights in the context of real estate.

Purported Partners

Individuals who are claimed to be partners in a business, sometimes without the legal or actual basis for such a partnership.