« previous next »

Author Question: Burl and Paul paint signs together on a scaffold. Compared to their weights plus the weight of the ... (Read 93 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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

lindiwe

  • Hero Member
  • *****
  • Posts: 577
Reply #2 on: Jul 29, 2018
Thanks


ju

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Estimating the molecular weight of a protein. The electrophoretic mobility of a protein on an SDS po Estimating the molecular weight of a protein. The electrophoretic mobility of a protein on an SDS po
Body weight estimates. Body weight estimates.
Sample Exercise Prescription for Weight Training: Intermediate Sample Exercise Prescription for Weight Training: Intermediate
Select Signs and Symptoms of Feeding and Eating Disorders Select Signs and Symptoms of Feeding and Eating Disorders
Metric System: Measure of Weight and Volume Metric System: Measure of Weight and Volume
MRI scans of normal elderly person compared to one with Alzheimer's MRI scans of normal elderly person compared to one with Alzheimer's
Video: EpiPen Animation (Part 2)

For a complete list of videos, visit our video library