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

Author Question: An object rests on an inclined surface. If the inclination of the surface is made steeper, what does ... (Read 112 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
An object rests on an inclined surface. If the inclination of the surface is made steeper, what does the normal force on the object do?
 
  A) increase
  B) decrease
  C) stays the same
  D) The normal force is zero N.
  E) Cannot be determined without additional information.

Question 2

Motor oil, with a viscosity of 0.250 Ns/m2, is flowing through a tube that has a radius of 5.00 mm and is 25.0 cm long. The drop in pressure is 300 kPa. What is the volume of oil flowing through the tube per unit time?
 
  A) 0.000376 m3/s
  B) 0.0253 m3/s
  C) 0.00118 m3/s
  D) 4.71 m3/s
  E) 7.54 m3/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jackie

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

B

Answer to Question 2

C





 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

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

For a complete list of videos, visit our video library