« 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 64 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?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Parenteral medication administration. The angle of needle insertion for four different types of pare Parenteral medication administration. The angle of needle insertion for four different types of pare
Angle of insertion for three types of injections. Angle of insertion for three types of injections.
Horizontal, frontal (coronal), and sagittal planes in the human brain and a cross section of the ... Horizontal, frontal (coronal), and sagittal planes in the human brain and a cross section of the ...
How to find an angle in radians for any given trigonometric function How to find an angle in radians for any given trigonometric function
The maximum acceleration a pilot can stand without blacking out is about 7.0 g. In an endurance ... The maximum acceleration a pilot can stand without blacking out is about 7.0 g. In an endurance ...
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: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library