This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 72.0-kg person pushes on a small doorknob with a force of 5.00 N perpendicular to the surface of ... (Read 283 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
on: Jul 29, 2018
A 72.0-kg person pushes on a small doorknob with a force of 5.00 N perpendicular to the surface of the door. The doorknob is located 0.800 m from axis of the frictionless hinges of the door.
 
  The door begins to rotate with an angular acceleration of 2.00 rad/s2. What is the moment of inertia of the door about the hinges? A) 4.28 kgm2
  B) 7.52 kgm2
  C) 1.88 kgm2
  D) 0.684 kgm2
  E) 2.74 kgm2

Question 2

A 95 N force exerted at the end of a 0.50 m long torque wrench gives rise to a torque of What is the angle (assumed to be less than 90) between the wrench handle and the direction of the applied force?
 
  A) 18
  B) 14
  C) 22
  D) 25


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amit

  • Sr. Member
  • ****
  • Posts: 364
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


dbose

  • Hero Member
  • *****
  • Posts: 597
Reply #2 on: Jul 29, 2018
TY


amit

  • Sr. Member
  • ****
  • Posts: 364
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to
Proportion of Women and Men in the U.S. Labor Force Proportion of Women and Men in the U.S. Labor Force
Surface ocean currents Surface ocean currents
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Major Climate Zones and Surface Currents Major Climate Zones and Surface Currents
Structure of the small intestine. Structure of the small intestine.
Video: Burn Animation

For a complete list of videos, visit our video library