Author Question: Burl and Paul paint signs together on a scaffold. Compared to their weights plus the weight of the ... (Read 118 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
Burl and Paul paint signs together on a scaffold. Compared to their weights plus the weight of the scaffold, the sum of tensions in the supporting ropes is
 
  A) less.
  B) the same.
  C) greater.
  D) zero.

Question 2

Jason weighs 150 N and sits on his big brother's shoulders. Big brother weighs 400 N. The support force supplied by the floor must be
 
  A) 150 N.
  B) 400 N.
  C) 550 N.
  D) more than 550 N.



ju

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

For a complete list of videos, visit our video library