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 58 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
YES! Correct, THANKS for helping me on my review

momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Massive amounts of wood are stored on the forest floor of old-growth temperate coniferous forests of Massive amounts of wood are stored on the forest floor of old-growth temperate coniferous forests of
Tiger quoll standing on hind legs Tiger quoll standing on hind legs
Assessment of Cutaneous Hypersensitivity, Lift a Fold of Skin Away from the Underlying Muscle Assessment of Cutaneous Hypersensitivity, Lift a Fold of Skin Away from the Underlying Muscle
Start massage in a standing posture. Start massage in a standing posture.
Sheep Fiber Length (cm) vs Fleece Weight (kg) Sheep Fiber Length (cm) vs Fleece Weight (kg)
QTL Analysis of Tomato Weight in Backcross Progeny QTL Analysis of Tomato Weight in Backcross Progeny
Video: Metaphase I Animation

For a complete list of videos, visit our video library