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

Author Question: A 100 kg crate is attached to a rope wrapped around the inner disk as shown. A person pulls on ... (Read 110 times)

jon_i

  • Hero Member
  • *****
  • Posts: 549
on: Jul 28, 2018

A 100 kg crate is attached to a rope wrapped around the inner disk as shown. A person pulls on another rope wrapped around the outer disk with force F to lift the crate.
   
 
   
   What force F is needed to lift the crate 2 m?


  1.about 20 N
  2.about 50 N
  3.about 100 N
  4.about 200 N
  5.about 500 N
  6.about 1,000 N
  7.about 2,000 N
  8.about 5,000 N
  9.Impossible to determine without knowing the radii
  10.Impossible to determine for some other reason(s)

Question 2

A disk, with radius 0.25 m and mass 4 kg, lies flat on a smooth horizontal tabletop. A string wound about the disk is pulled with a force of 8N. What is the angular acceleration of the disk?
 


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarajane1989

  • Sr. Member
  • ****
  • Posts: 296
Reply #1 on: Jul 28, 2018
Answer to Question 1

4

Answer to Question 2



jon_i

  • Hero Member
  • *****
  • Posts: 549
Reply #2 on: Jul 28, 2018
Thank you!


sarajane1989

  • Sr. Member
  • ****
  • Posts: 296
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

The hydrolysis of an amide bond, shown here, is the same reaction The hydrolysis of an amide bond, shown here, is the same reaction
Fractures are diagnosed based on an X-ray of the broken bone. Shown here: a comminuted fracture of ... Fractures are diagnosed based on an X-ray of the broken bone. Shown here: a comminuted fracture of ...
Native American casinos remain a topic of both controversy and envy. Shown here is Corey Two Crow as ... Native American casinos remain a topic of both controversy and envy. Shown here is Corey Two Crow as ...
Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ... Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ...
Suppose a country imports televisions. The country's supply and demand curves are shown in ... Suppose a country imports televisions. The country's supply and demand curves are shown in ...
An insertion sequence (IS), shown in purple An insertion sequence (IS), shown in purple
Video: The primary factors that affect circulation - MABP, CO and SVR

For a complete list of videos, visit our video library