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

Author Question: Two blocks with mass m2 > m1 are pulled as shown along rough horizontal surfaces with the same ... (Read 342 times)

kwoodring

  • Hero Member
  • *****
  • Posts: 560
on: Jul 28, 2018
Two blocks with mass m2 > m1 are pulled as shown along rough horizontal surfaces with the same coefficient of friction. Both are pulled at constant speed, but v2 < v1. Which tension force does more work moving the block a distance D along the surface?
 
  1.T1
  2.T2
  3.Neither; both do zero work
  4.Neither; both do the same amount of negative work
  5.Neither; both do the same amount of positive work
  6.Impossible to determine without knowing the masses
  7.Impossible to determine without knowing the speeds
  8.Impossible to determine for some other reason

Question 2

Two blocks with mass m2 > m1 are pulled as shown along horizontal surfaces, each at a constant speed v. Which tension force does more work moving the block a distance D along the surface?
 
  1.T1
  2.T2
  3.Neither; both do zero work
  4.Neither; both do the same amount of negative work
  5.Neither; both do the same amount of positive work
  6.Impossible to determine without knowing the masses
  7.Impossible to determine without knowing the coefficients of friction
  8.Impossible to determine without knowing the speed v
  9.Impossible to determine for some other reason


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kswal303

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

2

Answer to Question 2

2,7


kwoodring

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


kswal303

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

The Mass-Luminosity Relation The Mass-Luminosity Relation
Chemical equilibrium and the law of mass action. Chemical equilibrium and the law of mass action.
Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins
A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ... A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ...
Identify the junction nodes in the circuit shown in Figure 21-1. Identify the junction nodes in the circuit shown in Figure 21-1.
Video: hGH (protein synthesis, growth and development)

For a complete list of videos, visit our video library