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
Romashka [77]
4 years ago
11

A student swings his keychain around in a circle. What is the source of the centripetal force for this action?

Biology
2 answers:
vichka [17]4 years ago
6 0
The centripetal force is the force that's causing the object to accelerate on a circle. There are three forces acting on the string: gravity (downward), friction (resisting acceleration but negligible), and tension (force the string applies to the key). The only force that is relevant is tension, and therefore, your answer is A, tension.
iris [78.8K]4 years ago
3 0

Answer:

it's tension

Explanation:

You might be interested in
Which of the following are contributing factors to the extinction of species?
meriva

Answer:

Deforestation

Climate Change

Invasive Species

Explanation:

Seventy percent of the Earth's plant and animals dwell in forests, and deforestation affects them directly. Once their habitat is lost, they are on their way to extinction.

Climate change also causes extinctions not only as a result of species intolerance to high temperature, but more commonly via a variety of related factors that alter a species’ interactions with other species.

Invasive species invade foreign territory. They use resources that the other species depend on. Then naturally one of the species will die off.

8 0
3 years ago
Why are Cells sometimes referred to as "Life's Atoms?
Marysya12 [62]

Answer:

Cells are sometimes referred to as "life's atoms" because there the basic units of life. All cells are surrounded by a structure called the cell membrane — which, serves as a clear boundary between the cell's internal and external environments.

4 0
3 years ago
Read 2 more answers
Unicellular prokaryotes that live one extreme environments
Ray Of Light [21]
Bacteria, archaea, fungi, algae
8 0
4 years ago
North Americans have cleared deciduous forestlands to use for each of these except _____.
Lelechka [254]

Answer:

urban development

Explanation:

6 0
3 years ago
Read 2 more answers
We use batteries every day to play radios, I-pods, video games, and even our car. Although batteries are convenient, they can ca
Nataly_w [17]

Batteries cause problems in all BUT one way. That is radiation. If batteries come to its expiration date, its chemicals, especially the harmful ones will spread in the atmosphere and create pollution to its environment. That is the reason why it is wrong to dispose batteries everywhere.

8 0
4 years ago
Read 2 more answers
Other questions:
  • The total variety of organisms in the biosphere is called
    7·1 answer
  • Which domain is unique because all of the members have cells that contain nucleus?
    10·1 answer
  • What’s the difference between a hypothesis and a theory?
    9·1 answer
  • Place the following levels of biological organization in the proper order, from smallest to largest. 1) Macromolecule 2) Tissue
    7·2 answers
  • Please! Please! Please help me really quick! Pleae check my answers!
    8·1 answer
  • In your own words define the terms: trait, gene, and alleles.
    15·1 answer
  • Moons are natural satellites. They do not orbit the Sun directly. Instead, they move in an orbit around a celestial body, such a
    11·2 answers
  • During dna replication which chemical bonds break apart
    8·1 answer
  • Practice Problem
    6·1 answer
  • There are 2 types of crust - Continental and Oceanic.<br> True<br> False
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!