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wariber [46]
3 years ago
10

a student uses a simple machine to help lift a load.when 40N of input force is applied to the machine it is able to lift 160N .w

hat is the mechanical advantage of the machine
Physics
1 answer:
Akimi4 [234]3 years ago
3 0

4 to 1

Explanation If you look at it as a fraction 160/40 and you reduce it down as far as you can you get 4/1

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Interactive Solution 11.13 presents a model for solving this problem. A solid concrete block weighs 100 N and is resting on the
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Answer:

The value is }  N  =  66 \  blocks

Explanation:

From the question we are told that

The weight of the block is W_b  = 100 \  N

The dimension of the block is d =  0.400 m  \ X  \ 0.250 \  m  \  X  \ 0.130 \ m

Generally two atmosphere is equivalent to

P_{2atm} =  2 *  1.013 *10^{5} =  202600 \  N/m^2

Generally 1 atm = 1.013 *10^{5} N/m^2

The area of the block would be evaluated using width and height because we need for the smaller surface to be in contact with the ground in order to maximize the pressure and minimize number of blocks

So

A =  0.250 *  0.130

=> A =  0.0325 \  m^2

Generally the force due to this blocks is mathematically represented as

F =  N  *  W_b

Here N is the number of blocks

So

}  202600 =  \frac{N  *  100 }{ 0.0325}

=>   }  N  =  66 \  blocks

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3 years ago
Tabitha is getting ready for a family trip by getting her clothes and toys together. She suddenly gets concerned and tells her m
Kisachek [45]
The answer is Hypothesis because she can predict that she needs a bigger bag
7 0
3 years ago
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1. What are the units of area under the line/curve?<br> 2. Does the area have any meaning?
TiliK225 [7]

The area under the velocity time graph is 125 m and the meaning of the area is displacement.

<h3>What is area under velocity - time graph?</h3>

The area under a velocity time graph represents the displacement of the object.

total area of the graph = A1 + A2

total area of the graph = ¹/₂ (base₁)(height₁) + ¹/₂ (base₂)(height₂)

total area of the graph = ¹/₂(4)(40) + ¹/₂(3)(30)

total area of the graph = 125 m

Thus, the area under the velocity time graph is 125 m and the meaning of the area is displacement.

Learn more about velocity time graph here: brainly.com/question/4710544

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6 0
2 years ago
Use this excerpt from the text to answer the question. "Some people insist the United States is more properly called a republic
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Political power is utilized in a roundabout way by chose authorities, not straightforwardly by the natives themselves. Oftentimes, legislators and numerous standard Americans allude to the United States as a majority rules system. Others locate this disturbing in light of the fact that, not at all like in a vote based system where nationals vote specifically on laws, in the United States, chose agents do – and, thusly, the U.S. is a republic.
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3 years ago
A repeating disturbance that transfers energy through matter or space is called a _____.
Damm [24]

Answer:

Collateral Damage

Explanation:

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3 years ago
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