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

Author Question: A man of weight Wman is standing on the second floor and is pulling on a rope to lift a box of ... (Read 98 times)

kamilo84

  • Sr. Member
  • ****
  • Posts: 495
on: Jul 28, 2018
A man of weight Wman is standing on the second floor and is pulling on a rope to lift a box of weight Wbox from the floor below. The rope, which is of negligible weight, has tension T in it, but the pull of the rope is insufficient to lift the box off the floor. What is the magnitude of the normal force that the second floor exerts on the man in this situation?
 a. Wman
  b. Wman + T
 c. Wman + T + a nonzero portion of Wbox d. Wman + T + Wbox

Question 2

Five boys are pushing on a snowball, and each is pushing with a force of 10.0.0 N. However, each boy is pushing in a different direction. They are pushing north, northeast, east, southeast, and south. (Each boy is pushing at an angle of 45.0 relative to his neighbor.) What is the magnitude of the total force on the ball?
 a. 0
  b. 14.1 N
  c. 24.1 N
  d. 11.4 N
  e. 48.3 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

c


kamilo84

  • Member
  • Posts: 495
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Estimating the molecular weight of a protein Estimating the molecular weight of a protein
Lucy’s Body Weight Proportions Compared to a Bonobo Lucy’s Body Weight Proportions Compared to a Bonobo
Dead Weight Testers Experiment Dead Weight Testers Experiment
Apply effleurage and direct pressure on attachments of pectoralis minor. Lift one arm off the table ... Apply effleurage and direct pressure on attachments of pectoralis minor. Lift one arm off the table ...
Dorsiflex the foot, applying direct pressure to the bottom. Standing at the end of the table, pick ... Dorsiflex the foot, applying direct pressure to the bottom. Standing at the end of the table, pick ...
Components of Weight Gain during Pregnancy Components of Weight Gain during Pregnancy
Video: Anaphylaxis Animation

For a complete list of videos, visit our video library