« previous next »

Author Question: A 400-N crate rests on a ramp; the maximum angle just before it slips is 15.0 with the horizontal. ... (Read 60 times)

stevenposner

  • Hero Member
  • *****
  • Posts: 608
on: Jul 28, 2018
A 400-N crate rests on a ramp; the maximum angle just before it slips is 15.0 with the horizontal. What is the coefficient of static friction between crate and ramp surfaces?
 a. 3.7
  b. 0.47
  c. 2.1
  d. 0.27
  e. 0.40

Question 2

A 7.00-kg mass is placed on a 28.0 incline and friction keeps it from sliding. The coefficient of static friction in this case is 0.574, and the coefficient of sliding friction is 0.528 . What is the frictional force in this situation?
 a. 32.2 N
  b. 60.6 N
  c. 32.0 N
  d. 34.8 N
  e. 3.29 N


randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

stevenposner

  • Hero Member
  • *****
  • Posts: 608
Reply #2 on: Jul 28, 2018
TY


randomguy133

  • Sr. Member
  • ****
  • Posts: 310
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ... Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ...
Paleocene-Eocene Thermal Maximum Paleocene-Eocene Thermal Maximum
End of the last Pleistocene glacial maximum End of the last Pleistocene glacial maximum
Landmarks for urinary assessment: The costovertebral angle Landmarks for urinary assessment: The costovertebral angle
When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ... When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ...
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library