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 623 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
YES! Correct, THANKS for helping me on my review

jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Force Force
Having a time zone map located near the telephone will assist you when making long distance calls ou Having a time zone map located near the telephone will assist you when making long distance calls ou
Shy children often have a high arousal level in novel social situations. Over time, parents can help ... Shy children often have a high arousal level in novel social situations. Over time, parents can help ...
How is this worker trying to avoid becoming a depersonalized unit in a bureaucratic-economic ... How is this worker trying to avoid becoming a depersonalized unit in a bureaucratic-economic ...
The level of emissions from transport in the United States is twice as high as the global average The level of emissions from transport in the United States is twice as high as the global average
Physical distance versus recombination distance on human male and female chromosome 19 Physical distance versus recombination distance on human male and female chromosome 19
Video: Blood Flow Through the Kidneys

For a complete list of videos, visit our video library