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 442 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
Excellent

JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Everyone has one nostril that is larger than the other.

The planar peptide group The planar peptide group
Tidal Forces Tidal Forces
Gravitational Forces Gravitational Forces
Astronomy Vector Icon Astronomy Vector Icon
Funny Vector Icon Funny Vector Icon
Vector has a magnitude of 5.5 cm and points along the x-axis. Vector has a magnitude of ... Vector has a magnitude of 5.5 cm and points along the x-axis. Vector has a magnitude of ...
Video: Phases of mitosis

For a complete list of videos, visit our video library