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

Author Question: A child's toy is suspended from the ceiling by means of a string. The Earth pulls downward on the ... (Read 109 times)

maychende

  • Hero Member
  • *****
  • Posts: 556
on: Jul 27, 2018
A child's toy is suspended from the ceiling by means of a string. The Earth pulls downward on the toy with its weight force of 8 N. If this is the action force, what is the reaction force?
 
  A) the string pulling downward on the ceiling with an 8-N force
  B) the ceiling pulling upward on the string with an 8-N force
  C) the string pulling upward on the toy with an 8-N force
  D) the toy pulling upward on the Earth with an 8-N force
  E) the toy pushing downward on the Earth with an 8-N force

Question 2

A race car circles 10 times around an 8-km track in 20 min. What is its average speed per lap?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

Average lap speed is 70 m/s.


maychende

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Comparative sizes of the Earth and the Moon Comparative sizes of the Earth and the Moon
El Anatsui, Between Earth and Heaven. El Anatsui, Between Earth and Heaven.
How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition
Relative Sizes of Dwarf Planets and Earth Relative Sizes of Dwarf Planets and Earth
Happy earth day jk kid drawing Happy earth day jk kid drawing
Video: Vascular tissues in a corn stem and a buttercup root

For a complete list of videos, visit our video library