This topic contains a solution. Click here to go to the answer

Author Question: A 100-kg box is placed on a ramp. As one end of the ramp is raised, the box begins to move downward ... (Read 96 times)

imowrer

  • Hero Member
  • *****
  • Posts: 514
A 100-kg box is placed on a ramp. As one end of the ramp is raised, the box begins to move downward just as the angle of inclination reaches 25. What is the coefficient of static friction between box and ramp?
 a. 0.15
  c. 0.47
  b. 0.27
  d. 0.95

Question 2

A 25-g traffic light hangs midway on a cable between two poles 40 meters apart. If the sag in the cable is 0.40 meters, what is the tension in each side of the cable?
 a. 12,200 N
  c. 4900 N
  b. 9800 N
  d. 6100 N



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

C

Answer to Question 2

D



imowrer

  • Hero Member
  • *****
  • Posts: 514
Both answers were spot on, thank you once again




 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

For a complete list of videos, visit our video library