« previous next »

Author Question: A pair of pliers is a good example of a _________Lever. A. First Class B. Second Class C. ... (Read 523 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
on: Aug 19, 2018
A pair of pliers is a good example of a _________Lever.
 
  A. First Class
  B. Second Class
  C. Third Class
  D. None of the above

Question 2

A man picks up a 50 pound box three feet above the grounD. How much work is being done?
 
  A. 16.7 ft-lb
  B. 0 ft-lb
  C. +50 ft-lb
  D. +150 ft-lb


yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Aug 19, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

laurencescou

  • Hero Member
  • *****
  • Posts: 593
Reply #2 on: Aug 19, 2018
TY


yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #3 on: Aug 19, 2018
You're welcome


« previous next »
 

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

A tapeworm, Taenia pisiformis, a member of the class Cestoda. A tapeworm, Taenia pisiformis, a member of the class Cestoda.
What makes tea so good What makes tea so good
“Bad,” “neutral,” and “good” mutations. “Bad,” “neutral,” and “good” mutations.
Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f
The U.S. Social Class Ladder The U.S. Social Class Ladder
Hands-on class in a massage therapy program. Hands-on class in a massage therapy program.
Video: Sigmoidoscopy

For a complete list of videos, visit our video library