Please help!

Peter is pushing the rock but the rock is not moving. Choose the statement that describes the force(s) being applied in the image.

a boy pushing a rock, but the rock is not moving

The force of the push is an unbalanced force.
The forces acting on the rock are balanced.
A weaker force of pushing would result in unbalanced forces.
The force of gravity is pulling the rock upwards.

Answers

Answer 1

The answer is that the forces acting on the rock are balanced.

Explanation: Basically since the object is not moving we can consider this system to have a net force of zero (where are forces are balanced). In this problem, the force applied equals the static friction pushing back, and the force of gravity equals the normal force exerted by the ground on the rock.

Answer 2

Answer:2b

Explanation:

Related Questions

Plant cells can produce glucose.
Suggest why yeast cells cannot produce glucose.

Answers

Answer:

Glucose can still be broken down in the absence of oxygen in order to meet the cells energy requirements. In plant and yeast cells pyruvate is converted into carbon dioxide and a type of alcohol called ethanol.

Explanation:

This was what I saw on the internet

Glucose can still need broken down in the absence of oxygen in order to meet the cells' energy requirements. In plant and yeast cells, pyruvate is converted into carbon dioxide and a type of alcohol called ethanol.

the endocrine system is responsible for communication in the body using

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Answer:

using your hormones as a chemical message to your brain

Explanation:

What inputs of photosynthesis move through the stomata?

Answers

Answer:

The gas exchange of carbon dioxide and oxygen occurs through the stomata.

Explanation:

Hope this helps.

The movement of gas in the opposite direction

b19 , b20

help!!

need answer

pls also check my other questions!

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Help what is the question

Photolysis is a part of which cycle? a. Phosphorus b. Oxygen c. Nitrogen d. Carbon Please select the best answer from the choices provided A B C D.

Answers

Answer:

B Oxygen

Explanation:

it's the answer for your question..

Answer:

It is B

Explanation:

the movement of water into the atmosphere from plants is

Answers

Answer:

Transpiration

Explanation:

Process through which plants lose water into the atmosphere

Answer:

Transpiration

Explanation:

The process by which water moves into the atmosphere from plants is transpiration

It is more difficult to identify eukaryotic genes than prokaryotic genes because in eukaryotes ________.

Answers

Answer:
There are introns in eukaryotic genes.

Think back to the activity from the beginning of the lesson. After what you have
learned about substances and mixtures, how have your ideas changed?

Answers

Answer:

......what lesson....

Explanation:

would you mind clearing up the question a little

How do the properties of lipids
help explain the structure of a cell membrane?

Answers

Explanation:

Lipids give cells membranes a flexible structure which forms a strong barrier between the cell and its surroundings

Answer:

Lipids give cells membranes a flexible structure which forms a strong barrier between the cell and its surroundings. This tells us that the lipid surrounds the structure which then forms the shape of the cell.

Explanation:

Is scientific law a proven concept? Explain why or why not.

Answers

n general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research.

PLZ HELP! why it is important to base scientific theories and models on empirical evidence as opposed to other ways of knowing such as religion?

Answers

Answer:

A theory not only explains known facts; it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. New evidence should be compatible with a theory.

Explanation:

explain four ways in which saprophytes are economically important in nature.

Answers

Answer:

They break down dead and decaying organic matter into simple substances

Explanation:

into what organelle might the cellular products be placed?

Answers

Answer:

Explanation:

Shipping department - Golgi apparatus

Factory interior - Cytoplasm

Vessels- Cellular package containing products such as protein

Warehouse for storage of products -Vacuole

There are different function or different department of every cell organelles and these are mentioned below:

Shipping department - Golgi apparatus

Factory interior - Cytoplasm

Vessels- Cellular package containing products such as protein

Warehouse for storage of products -Vacuole

What are cell organelles?

The term cell organelles has been defined as the organ or part of the cell which has been considered as the part of the cell. Cell organelles are mitochondria, ribosomes, vaccuoles, cell wall, endoplasmic reticulum, nucleus and many more.

In the cytoplasm, tRNA, play major role in protein synthesis and tRNA brings amino acids to the ribosome according to the codon in the mRNA which is translating. tRNA contain anti-codon which recognize and bind to the codon as by base pairing where they are linked to protein synthesis as well as tRNA is loaded by aminoacyl-tRNA synthetase enzyme with correct amino acid, which they bring to ribosome for protein synthesis.

Therefore, Shipping department - Golgi apparatus

Factory interior - Cytoplasm

Vessels- Cellular package containing products such as protein

Warehouse for storage of products -Vacuole

Learn more about cell organelles on:

https://brainly.com/question/496953

#SPJ5

What are S-strain and R-strain bacteria?

Answers

Answer:

When Frederick Griffith discovered two strains of Streptococci in 1923, the bacteriologists were intrigued by the differences between them: the S (smooth) strain, which produces colonies that are smooth and shiny on a lab plate; the R (rough) strain, which lacks a polysaccharide coat and produces colonies that are rough and irregular on a lab plate.

Explanation:

what is the study of hereditary called?

Answers

Answer:

Genetics

Explanation:

Genetics is the study of heredity in general

HOPE IT HELPS!

I need to know the answers to what the solutions are.

Answers

Answer:

honestly same.

Explanation:

I don't know this complex science

What is the term for a section of a DNA molecule that codes for proteins?

Answers

Answer:

Gene. A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual.

Explanation:

Mark me brainly please

what type of muscle tissue is found in the wall of blood vessels

Answers

Smooth muscle is the answer

Answer:

cardiac muscle

they are mainly in the walls of the heart. it's contraction pumps blood that allows the heart to beat

Once overweight, Brenna's mother has started to lose weight as she's aged. At first, Brenna was happy to see this because she thought it may help her mother bounce back from future injuries. On the contrary, Brenna has started to notice that her mother is having more difficulty with walking and climbing stairs. Her doctor explains that this declining function is common in adults age 65 and older. What term describes the muscle wasting Brenna's mother is experiencing?

a. sarcopenia
b. aphasia
c. kyphosis
d. xrostomia

Answers

The term that describes the muscle wasting Brenna's mother is experiencing is sarcopenia. That is option A.

An overweight individual is an individual whose body mass index is between 25 to less than 30.

Body mass index is calculated based on the weight and height of an individual.

An Brenna's mother advances in age, she begins to experience lost of muscle mass.

This is because of the following:

decline in hormones and numbers of neuromuscular junctions,

increased inflammation,

declines in activity, and

inadequate nutrition.

This will in turn lead to difficulty with walking and climbing stairs.

Therefore, the term that describes the muscle wasting Brenna's mother is experiencing is sarcopenia

Learn more here:

https://brainly.com/question/9101179

organism that makes its own food

Answers

★ « autotroph » ★

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals

hope it helps

Answer:

Explanation:

autotrophs

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms.

Phân biệt các bệnh của bệnh di truyền đơn gen

Answers

Explanation:

please tell in english

The energy that cells need to function is

Answers

Answer:

adenosine triphosphate (ATP)

Explanation:

What function or process is common to all living things?

Answers

Answer:

respiration

Explanation:

because the food is wanted by all and we all take breathe

What are the little hairs that line the nasal cavity and help trap microorganisms?

Answers

Answer:

c. Cilia is correct

Explanation:

how is the reproduction of bryophytes similar to that of ferns?

Answers

Answer:

see below

Explanation:

Reproduction relies on water so that sperm can swim to the egg. Breophytes and ferns both have sperm. ... Ferns require water for the sperm to swim, but breophytes the sperm are released directly on the feralization site, and don't need to swim.

altering the environment to minimize the stimuli for eating is called

Answers

Answer:

Stimulus control

Explanation:

You are controlling the stimuli. Altering the environment to influence, in this case minimize, stimuli is an example of stimulus control.

Which of the following statements describes a benefit of most cells being
small?
A. Small cells have a greater surface-to-volume ratio than larger
cells.
B. Small cells move more quickly than larger cells.
C. Small cells have a smaller surface-to-volume ratio than larger
cells.
D. Small cells move more slowly than larger cells.
SUBMIT

Answers

Answer:

Small cells have a smaller surface to volume ratio than longer

John goes to work by car or by train.
(a) The probability that John goes by car is 04
Work out the probability he goes by train

Answers

Answer:

0.6

Explanation:

1 - 0.4 = 0.6

Probability will always be out of 1 therefore if the probability of John going to work by car is 0.4 then going by train would be 0.6.

What is the main difference between organisms that share many characteristics and organisms that do not?

Answers

Answer:

The more derived characteristics organisms share,the greater their degree a kinship. For instance,a derived characteristic in plants is the presence of the vascular tissue.Although all organisms share similar traits.

Explanation:

Hope this helps.

What are the three sections of the female part of the flower called?
a) style, stamen, and pollen
b) stamen, ovary, and pollen
0 ) anther, pollen, and filament
d) stigma, style, and ovary

Answers

Answer:

Explanation:

Answer:

Explanation:

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