« 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 61 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?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Rib Cage Angles, Costal Angle, Angle of Ribs Rib Cage Angles, Costal Angle, Angle of Ribs
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, ...
An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ... An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ...
A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ... A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ...
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library