A lever used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8 meters. What is the MA of the lever?

Answers

Answer 1

Answer:

Mechanical advantage = 5

Explanation:

Given the following data;

Length of input arm = 4 meters.

Length of output arm = 0.8 meters.

To find the mechanical advantage;

[tex] Mechanical \; advantage = \frac {Length \; of \; 1nput \; arm}{Length \; of \; 0utput \; arm} [/tex]

Substituting into the formula, we have;

[tex] Mechanical \; advantage = \frac {4}{0.8} [/tex]

Mechanical advantage = 5


Related Questions

brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb. If two brown rabbits, with the genotypes seen in the Punnett square above, have baby rabbits, what is the probability that the baby rabbits will also be brown?

a) 25%
b)50%
c)75%
d)100%


Answers

i believe its 75% or 50% definetly use a punnet square to check tho!

Explanation:

BB: brown

Bb: brown

bb: white

Since you didn't give the variables, here is how you make a punnet square:

Make a box with four boxes inside.

_______________

|                |                |

|                |                |

_______________

|                |                |

|                |                |

_______________

Put the variables on each side:

Example:

____B_____b____

B|                |                |

  |                |                |

  _______________

b|                |                |

  |                |                |

  _______________

then fill in :

____B_____b____

B|         BB       |   Bb        |

  |                    |                |

  _______________

b|                    |                |

  |        Bb        |   bb         |

  _______________

Elliptical galaxies form a perfect sphere or an ellipse.

True
False

Answers

Answer:

True

Explanation:

A group of billions of stars in space is known as a galaxy. ... Irregular ones do not have specific shape and elliptical galaxies are three dimensional. It has ellipsoidal shape which formed of deformation of sphere and looks like ellipse. Hence, the given statement is true.

Which of the following is not a biotic factor?
A. Giraffe
B. Lion
C. Cactus
D. Wildebeest

Answers

Answer:

cactus

dudidjdidj jdudhd

Please help!!!! 20 points

Answers

Answer:

Producers: Leaves and the other plant thing (i don't know the name of it)

First-level consumers: Squirrel, grasshopper, rabbit, rat

Second-level consumers: Frog, rat

Third-level consumers: Fox, owl, snake

Herbivores: Grasshopper, rabbit, squirrel

Carnivores: Frog, fox, snake, owl

Omnivores: Rat

What does it mean for a virus to "infect" a cell?
Tir
11
The virus lands on the outside of the cell and remains there until the cell produces more viruses.
The virus lands on the outside of the cell and eats proteins on the surface of the cell.
The virus lands on the outside of the cell and injects its genetic material into the cell.
The virus lands on the outside of the cell and injects its proteins into the cell.

Answers

Answer:

I think the answer is...

the virus lands on the outside of the cell and injects its genetic material into the cells  

i'm not sure but this is what I think...

Explanation:

Viruses usually inject their all genetic material into one cell to individual virion contains multiple copies of its fusion protein.

answer this question.......asap​

Answers

C is the answer ( i apoligize if its wrong )

Which of the following is true of the composition of all materials?
A.
All materials are made up of large parts that can only be seen by the human eye.
B.
All materials are made up of smaller parts that cannot be seen without magnification.
C.
All materials are made up of living cells.
D.
All materials are made up of only one part.

Answers

Answer:

Option B.

Explanation:

All materials are made up of smaller parts that cannot be seen without magnification.

Pls help me!!! I need help

Answers

Explanation:

option a

option b

option c

Comet and astroids I think

From DNA to protein involves which series of events?Which of the following correctly describes the locations of transcription and translation within a eukaryotic cell?

Answers

Answer:

DNA istranscribed in the nucleus, then the mRNAtranscript is transported to the cytoplasm to be translated into protein.

Explanation:

I hope that this is what you were looking for

What is a basic function of a cell

Answers

Answer:

The answer is below

Explanation:

They provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction.

Hope this helps:)

What are the "energy factories" within a plant cell?

Answers

mitochondria is the energy factors in a plant cell! hope this helps

Which wavelength is reflected off plants stems and leaves

Answers

well if i were to say it simply, a RED LIGHT is an easier wavelength though plants look green to us. if you would want to be more specific, it mainly consists of details in the electromagnetic spectrum or photosynthesis, energy, and the special pairs of the chlorophyll molecules!!!

Multiple Choice Which of the following events would cause local competition for fuel oil in a small American town?
imposing tariffs
drought
hurricane
sporting events​

Answers

The correct answer is D)

Answer:

The correct answer is D: Sporting events

Explanation:

I did it on edge 2022

Action Potential: Relative refractory period
In a neuron, there is a period of time called the absolute refractory period where it is impossible for an action potential to
begin. This corresponds to the change in membrane potential from +30 to -70 mV, or the repolarization phase. Towards the
end of the repolarizing phase, there is a relative refractory period where it is difficult, but not impossible, for another action
potential to begin. Using the time slider function, which of the following segments in the neuron would correspond to a
relative refractory period?

Answers

A second action potential can be triggered during the relative refractory phase, but it will need a stronger stimulus to do so than the first time. Refractory times are brought on by the inactivation gate of the Na+ channel.

What Action Potential related to Relative refractory period?

The axon has a tougher time producing successive action potentials during this time period, which is referred to as the refractory period, as a result of these transient alterations.

As a result, the refractory period restricts the quantity of action potentials that a certain nerve cell can generate in a given amount of action potentials time.

If enough powerful stimuli are applied to the neuron after the absolute refractory time, Na+ channels start to recover from inactivation and the neuron may respond once again by generating action potentials.

Therefore, A stimulus that is stronger than usual is required to generate neuronal activation during the relative refractory period.

Learn more about Action Potential here:

https://brainly.com/question/7277845

#SPJ6

Someone help me out please

Answers

The answer is carbohydrate

29.
Use the diagram below to answer questions 29 and 30.
Use Note-taking 22-6 to help you identify the five major root structures on the drawing of a
dicot root.
А A.
B
B.
с
C.
D.
D
E.
E

Answers

Answer:

The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must be:

9 in.

11 in.

12 in.

17 in.

Explanation:

HELP ME PLEASE PLEASE PLEASE 20 POINTS AND BRAINLIEST

Answers

Answer:

ITS A(the endiplasmin reticulum)

Explanation:

Which was not developed in the 1800s?


natural selection


germ theory


scientific method


cell theory

Answers

Answer:

germ theory

Explanation:

it was founded in the 19th century and founded by a man named Louis pasteur and robert koch who provided the final clue

Cell Theory is your answer

What is a swell wave?

Answers

Answer:

Swell are waves (usually with smooth tops) that have moved beyond the area where they were generated. The distance between the crests, or tops, of the waves that make up swell is usually much greater than the distance between waves being actively generated by wind blowing over the water.

Explanation:

Which agency is directly related to supervising and managing campgrounds

Us Forest Service

Bureau of land management

Us fish and wildlife service

National park service

Answers

National park service

Answer:

National Park Service

Explanation:

8.
Which one is a true fish
a) Cuttle fish
b) Star fish
c) Dog fish
d) Silver fish​

Answers

Answer:

Star fish

Explanation:

Answer is (b) Starfish

Some bird species, like the oxpecker seen here, have a special relationship with certain large mammals, including
rhinos, giraffes, and zebras. Oxpeckers land on the zebras and eat ticks and other parasites that live on their skin. The
oxpeckers get food while the zebras get pest control. Additionally, oxpeckers fly up and scream a warning to zebras
when danger is present. This behavior is an example of what type of relationship?
A)
co-evolutionary
Eliminate
B)
mutualistic
parasitic
D)
predator-prey

Answers

Answer:

This is a mutualistic relationship

B (mutualistic parasitic)

10. What is an entomologist?

Answers

Answer:

An entomologist is a person who studies, or is an expert in the branch of zoology. (A branch in zoology concerned with insects.)

Explanation:

Why is family history thought to be important and a good predictor of an individual’s disease risk factor?

Because family members most closely represent the unique genomic (DNA) and environmental interactions that individuals experience

Because doctors can determine your family’s risk from your ailments

It is important to know family history so that a doctor can issue the right antibiotic to prevent cancer

So that doctors can know how your 1 st line of defense reacts to antibiotics mi

Answers

Answer:

The first answer, Because family members most closely represent the unique genomic (DNA) and environmental interactions that individuals experience. Is right

Explanation:

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