Pedram is pulling on the doorknob of his dorm door to keep it closed while Angelica is pulling from the other side to try to get into the room. The doorknob is 0.7 m from the hinge of the door. a) If Pedram is using a force of 75 N exerted at an angle of 75° to the door, what is the magnitude of the torque on the hinge, to the nearest one decimal place? b) Angelica is exerting a force at 85° to the door. What force does Angelica need to use to open the door?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
icon
Related questions
Question
100%

Please help w this, answer a and b. Full detailed solution for better understanding of the answer. Thank you

Pedram is pulling on the doorknob of his dorm door to keep it closed while Angelica is
pulling from the other side to try to get into the room. The doorknob is 0.7 m from the
hinge of the door.
a) If Pedram is using a force of 75 N exerted at an angle of 75° to the door, what is the
magnitude of the torque on the hinge, to the nearest one decimal place?
b) Angelica is exerting a force at 85° to the door. What force does Angelica need to use to
open the door?
Transcribed Image Text:Pedram is pulling on the doorknob of his dorm door to keep it closed while Angelica is pulling from the other side to try to get into the room. The doorknob is 0.7 m from the hinge of the door. a) If Pedram is using a force of 75 N exerted at an angle of 75° to the door, what is the magnitude of the torque on the hinge, to the nearest one decimal place? b) Angelica is exerting a force at 85° to the door. What force does Angelica need to use to open the door?
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Calculus: Early Transcendentals
Calculus: Early Transcendentals
Calculus
ISBN:
9781285741550
Author:
James Stewart
Publisher:
Cengage Learning
Thomas' Calculus (14th Edition)
Thomas' Calculus (14th Edition)
Calculus
ISBN:
9780134438986
Author:
Joel R. Hass, Christopher E. Heil, Maurice D. Weir
Publisher:
PEARSON
Calculus: Early Transcendentals (3rd Edition)
Calculus: Early Transcendentals (3rd Edition)
Calculus
ISBN:
9780134763644
Author:
William L. Briggs, Lyle Cochran, Bernard Gillett, Eric Schulz
Publisher:
PEARSON
Calculus: Early Transcendentals
Calculus: Early Transcendentals
Calculus
ISBN:
9781319050740
Author:
Jon Rogawski, Colin Adams, Robert Franzosa
Publisher:
W. H. Freeman
Precalculus
Precalculus
Calculus
ISBN:
9780135189405
Author:
Michael Sullivan
Publisher:
PEARSON
Calculus: Early Transcendental Functions
Calculus: Early Transcendental Functions
Calculus
ISBN:
9781337552516
Author:
Ron Larson, Bruce H. Edwards
Publisher:
Cengage Learning