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

Author Question: Sebastian has drawn a free-body diagram for a ladder of mass m leaning against a frictionless wall. ... (Read 68 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
on: Jul 28, 2018
Sebastian has drawn a free-body diagram for a ladder of mass m leaning against a frictionless wall. His diagram is shown below. What is his error?
 
 
 
   
  a.
  is in the wrong direction.
   
  b.
  should be directed upwards, not down.
   
  c.
  should be perpendicular to the wall, not parallel to it.
   
  d.
    should be down into the floor for to have the given direction.
   
  e.
  is correct, but there should also be a force perpendicular to the wall.

Question 2

An object of mass m is suspended by two coplanar wires, as shown below. The tension in each wire has a magnitude given by
 
   


   
  a.
  .
   
  b.
  .
   
  c.
  .
   
  d.
  mg.
   
  e.
  .


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nothere

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

d


jerry coleman

  • Member
  • Posts: 570
Reply 2 on: Jul 28, 2018
:D TYSM

kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Sickle cell anemia. The clinical manifestations of sickle cell anemia result from pathologic changes Sickle cell anemia. The clinical manifestations of sickle cell anemia result from pathologic changes
Human Lungs Diagram Human Lungs Diagram
Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme
Systems and Organs of the Human Body Systems and Organs of the Human Body
Industrial solid waste process flow diagram Industrial solid waste process flow diagram
Growing Interest in Sugar-Free Foods and Beverages Growing Interest in Sugar-Free Foods and Beverages
Video: Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

For a complete list of videos, visit our video library