« previous next »

Author Question: A pair of pliers is a good example of a _________Lever. A. First Class B. Second Class C. ... (Read 402 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?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Sociologists disagree about the relative significance of race and social class in determining social ... Sociologists disagree about the relative significance of race and social class in determining social ...
Social Class and Religious Affiliation Social Class and Religious Affiliation
Linesman’s pliers are very useful because they can help perform many automotive service jobs. Linesman’s pliers are very useful because they can help perform many automotive service jobs.
Good hand and body mechanics when applying thumb pressure to the back. Good hand and body mechanics when applying thumb pressure to the back.
Video: Protein digestion - stomach & small intestine

For a complete list of videos, visit our video library