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

Author Question: The simple machine that helps to reduce friction is the _______________. Fill in the blank(s) ... (Read 55 times)

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
on: Jul 21, 2018
The simple machine that helps to reduce friction is the _______________.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

The internal combustion engine used in most cars has an average efficiency of about _______________ percent.
 
 


 
  Fill in the blank(s) with the appropriate word(s).


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 21, 2018
Answer to Question 1

wheel and axle

Answer to Question 2

twenty


jasdeep_brar

  • Member
  • Posts: 569
Reply 2 on: Jul 21, 2018
:D TYSM

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

A macromolecular machine: the transcription-initiation complex A macromolecular machine: the transcription-initiation complex
Self-massage of the forearm helps reduce the effects of stress on muscles used for massage. Self-massage of the forearm helps reduce the effects of stress on muscles used for massage.
Apply circular friction with the fingertips over the masseter muscle. Apply circular friction with the fingertips over the masseter muscle.
Apply thumb pressure to forearm muscles, particularly the extensors muscles. Apply circular friction ... Apply thumb pressure to forearm muscles, particularly the extensors muscles. Apply circular friction ...
Free energy diagrams for the simple reaction A ----> B Free energy diagrams for the simple reaction A ----> B
ECG machine ECG machine
Video: Muscular Dystrophy

For a complete list of videos, visit our video library