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 154 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
Gracias!

nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Saguaro cacti in freeze-free zones. Saguaro cacti in freeze-free zones.
Diagram of the Glomerulus Diagram of the Glomerulus
Disaccharides Diagram Disaccharides Diagram
Eat Gluten Free Eat Gluten Free
plant diagram plant diagram
Insect Body Plan: Grasshopper Insect Body Plan: Grasshopper
Video: Cell mediated immune response to a viral infection Animation

For a complete list of videos, visit our video library