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

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 93 times)

imowrer

  • Hero Member
  • *****
  • Posts: 514
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


imowrer

  • Hero Member
  • *****
  • Posts: 514
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Genetic analysis begins with mutants Genetic analysis begins with mutants
Whenever a vehicle is raised off the ground, a safety stand should be placed under the frame, axle, ... Whenever a vehicle is raised off the ground, a safety stand should be placed under the frame, axle, ...
Circular friction around the ankle with the fingertips. Applying pressure with the fingertips, move ... Circular friction around the ankle with the fingertips. Applying pressure with the fingertips, move ...
Day 16 Neural groove appears as the neural tube begins forming. Day 16 Neural groove appears as the neural tube begins forming.
Pascal’s triangle of binomial coefficients (p + q) raised to the nth power Pascal’s triangle of binomial coefficients (p + q) raised to the nth power
Video: Hydrogen bonds vs. Ionic bond

For a complete list of videos, visit our video library