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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

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Glucose and hexanoic acid each contain six carbon atoms, but they have completely different properties. Glucose is a nutrient fo
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Answer:

functional groups

Explanation:

Functional groups are molecules with specific atoms and have their own chemical properties when attached to some other substances. Glucose is a simple sugar and has an aldehyde group (CHO) as its functional group. The presence of CHO in it makes it be present in food without any harmful impacts. On the other hand, hexanoic acid has COOH (carboxylic group) as its functional group. COOH group has a tendency to donate its protons and become ionized. It is toxic as it is reactive and tends to affect the pH of the food or solution in which it is present.

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3 years ago
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3 years ago
Which is a common use of minerals? Pasta Toothpaste Applesauce Wooden Craft Stick
bogdanovich [222]

Answer:

Toothpaste

Explanation:

Toothpaste commonly uses minerals like calcium and fluoride, hope this helps :)

8 0
3 years ago
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The hormone oxytocin aids the birth process by stimulating:__________
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Answer:

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Explanation:

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Answer:

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2 years ago
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