1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
riadik2000 [5.3K]
3 years ago
14

In which situations is work being done?

Biology
2 answers:
frez [133]3 years ago
6 0

Answer:

Option D

Explanation:

Work is done when an object displaces from its initial position on the application force.  

In option A, the car rolls down without the application of force and hence it is not correct.

In option B , Turbine is standing still and hence again there is no force or displacement which could lead to work. Hence, it is also incorrect

In option C, the internal molecules of balloon starts moving after gaining heat energy but there is no displacement of balloon overall and hence the work done is zero.  

However, in option D work is done in pedaling the cycle. The number of revolutions of the cycle is counted which is cal-liberated and converted into distance in kilometers. Hence, it is correct

Novosadov [1.4K]3 years ago
4 0

james pedals a stationary exercise cycle that doesn’t move

You might be interested in
Air pollution can affect precipitation by -
Iteru [2.4K]
The answer to this question is D have a nice day
3 0
3 years ago
Which term names the offspring of a cross between two true breeding parents?
erica [24]
<span>Which term names the offspring of a cross between two true breeding parents is First Generation...B</span>
6 0
3 years ago
Read 2 more answers
122 x 32 x 31 x 3/3 x 24 x 2
guajiro [1.7K]
5,996,544.


I hope this helps
3 0
3 years ago
Read 2 more answers
1. Explain vegetative reproduction?
Yakvenalex [24]

Answer:

Asexual plant propagation methods produce new plants from vegetative parts of the original plant, such as the leaves, stems and roots. These methods are generally referred to as vegetative propagation.

<h3>e.g. rhizome, bulb, tuber etc</h3>

<h2>Hope it helps you!!</h2>
5 0
3 years ago
How does oxygen enters the lungs?
Andrews [41]
<span>Air is breathed in, it goes through the pharynx (if you are breathing through your nose), down the trachea (lung pipe), and into the lungs. Air is breathed in, it goes through the pharynx (if you are breathing through your nose), down the trachea (lung pipe), and into the lungs.


</span>
8 0
3 years ago
Read 2 more answers
Other questions:
  • Convert the temperature 49oC to kelvin
    12·1 answer
  • Which structure contains peptidoglycan in bacteria? What is the name of the structure?
    12·2 answers
  • Which would occur if the retina is damaged? (2 points)
    5·2 answers
  • List 3 risks of second hand smoke exposure for children
    12·2 answers
  • What is the percent of the genes on the chromosome?
    9·1 answer
  • Based on what you learned in Virtual Lab on hypertension which of the following combinations will likely lead to hypertension
    12·1 answer
  • The ability to taste the chemical PTC is due to a single gene in humans.
    7·1 answer
  • 15 POINTS ANSWER FAST -- Choose the correct description of a comet.
    5·1 answer
  • Part of the plant where photosynthesis generally occur​
    9·2 answers
  • Select the correct answer. What are the x-intercepts of this quadratic function? g(x) = -2(x − 4)(x + 1) A. (4,0) and (1,0) B. (
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!