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Stels [109]
3 years ago
10

The MA of a lever is 4. If you have to lift the object up 20 cm,

Biology
1 answer:
puteri [66]3 years ago
7 0

Answer:

jayfeather friend me

Explanation:

Answer: The mechanical advantage of a machine is 4. ... Mechanical advantage MA is the ratio of output (generated by the machine) force to input (applied to the machine) force. So MA = 4 means that for example if you apply 100 N then your machine will multiply that force and generate 400 N.

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Darwin was spurred to finally publish his theory of natural selection by the writings of which scientist?. A.Lyall. B.Hutton. C.
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I believe is was C. Wallace 

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The plant ground tissue system consists of three tissues that can be distinguished by which of the following?
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A force has direction and contact true or false
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Answer:

Because a force is a vector that has a direction, it is common to represent forces using diagrams in which a force is represented by an arrow. In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity (which includes to begin moving from a state of rest), i.e., to accelerate. ... A force has both magnitude and direction, making it a vector quantity.

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3 years ago
The cell contains a number of impermeable molecules that carry negative charges including dna and proteins. If researchers remov
AVprozaik [17]

<u>The resting </u><u>membrane</u><u> potential would become </u><u>more positive</u><u> because researchers are taking negatively charged molecules out of the cell.</u>

Which methods were used to record the resting membrane potential and action potential of the squid axon choose all that apply ?

  • The squid axon's action potential and resting membrane potential were captured using the following experimental strategy.
  • Using a recording microelectrode inside the cell that is connected to a second electrode outside the cell .

What is cell membrane ?

  • All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment.
    A semipermeable lipid bilayer makes up the cell membrane.
  • The movement of materials into and out of the cell is controlled by the cell membrane.

What are the functions of a cell membrane?

  • The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out .
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Learn more about cell membrane

brainly.com/question/13524386

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