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

Author Question: A worker pushes a sled with a force of 38.0 N over a level distance of 3.60 m. If a frictional force ... (Read 311 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
on: Jul 28, 2018
A worker pushes a sled with a force of 38.0 N over a level distance of 3.60 m. If a frictional force of 16.0 N acts on the wheelbarrow in a direction opposite to that of the worker, what net work is done on the wheelbarrow?
 a. 194 J
  b. 137 J
  c. 57.6 J
  d. 79.2 J
  e. 6.11 J

Question 2

A horizontal force of 85.0 N is applied to move a 46.0-kg cart across a 4.0-m level surface. What work is done by the 85.0-N force?
 a. 7.4E+0 J
  b. 1.6E+4 J
  c. 3.4E+2 J
  d. 9.8E+2 J
  e. 4.6E1 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tdewitt

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


ARLKQ

  • Member
  • Posts: 571
Reply 2 on: Jul 28, 2018
Excellent

gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Using Parallax to Determine Distance Using Parallax to Determine Distance
Muscle Fiber Recruitment and Muscular Force Muscle Fiber Recruitment and Muscular Force
This illustration shows the decibel level in various locations and associated with different ... This illustration shows the decibel level in various locations and associated with different ...
The Coriolis Force The Coriolis Force
Predicted versus Actual GDP per Worker Predicted versus Actual GDP per Worker
Question about Resultant of gravitational force? Question about Resultant of gravitational force?
Video: Arthroscopy

For a complete list of videos, visit our video library