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

Author Question: The vector sum of three co-planar forces (Read 162 times)

jake

  • Hero Member
  • *****
  • Posts: 538
on: Aug 1, 2020

Question 1

The total force needed to drag a box at constant speed across a surface with coefficient of kinetic friction μk is least when the force is applied at an angle θ such that

◦
sinθ = μk.

◦
cosθ = μk.

◦
tanθ = μk.

◦
cotθ = μk.

◦
secθ = μk.


Question 2

The vector sum of three co-planar forces

◦
must be zero.

◦
must be perpendicular to one of the three.

◦
must be parallel to one of the three.

◦
must be perpendicular to the plane.

◦
may have any direction in the plane.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jake on Aug 1, 2020

jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 1, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly


jake

  • Member
  • Posts: 538
Reply 2 on: Aug 1, 2020
Great answer, keep it coming :)

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum
Sociology Vector Icon Sociology Vector Icon
How to find the X and Y components of any vector How to find the X and Y components of any vector
Climate change is an important vector for human diseases Climate change is an important vector for human diseases
Vector Algebra Vector Algebra
Find the magnitude and the direction of the resultant vector of the vectors below. Find the magnitude and the direction of the resultant vector of the vectors below.
Video: Leukemia

For a complete list of videos, visit our video library