Examlex

Solved

A 20 Kg Uniform Door Has a Width of 1

question 20

Multiple Choice

  A 20 kg uniform door has a width of 1.2 m and a height of 2.5 m. The door is mounted on a post by a pair of hinges, marked 1 and 2, at the top and bottom of the door. An external force of 60 N, at an angle of 30° above the horizontal, is applied to the doorknob, as shown. The doorknob is 1.0 m above the bottom of the door.  -In the figure,the sum of the y-components of the forces,exerted on the door by hinges 1 and 2,is closest to: A) 145 N B) 165 N C) 195 N D) 225 N E) 250 N
A 20 kg uniform door has a width of 1.2 m and a height of 2.5 m. The door is mounted on a post by a pair of hinges, marked 1 and 2, at the top and bottom of the door. An external force of 60 N, at an angle of 30° above the horizontal, is applied to the doorknob, as shown. The doorknob is 1.0 m above the bottom of the door.
-In the figure,the sum of the y-components of the forces,exerted on the door by hinges 1 and 2,is closest to:


Definitions:

Paralytic Ileus

A condition where there is a lack of movement in the intestines that can cause a build-up and potential blockage of food material, leading to a temporary stop in bowel movements.

Stomatitis

An inflammation of the mouth and lips, which can cause redness, swelling, pain, and sometimes sores in the oral cavity.

Volvulus

A medical condition in which a loop of the intestine twists around itself and the mesentery that supports it, causing an intestinal blockage.

Gastroesophageal Reflux Disease

A chronic digestive disease in which stomach acid or bile irritates the food pipe lining.

Related Questions