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siniylev [52]
3 years ago
9

The force is the sum of all the forces that act upon an object

Physics
1 answer:
11Alexandr11 [23.1K]3 years ago
3 0

Net force or resultant force

Explanation:

The net force or resultant force is the sum of all the forces that acts upon an object. Such forces are able to cause a push or pull on the body.

There are different kinds of forces prevalent on a body at rest and in motion.

A body is acted upon by frictional force and it has its own inertia which makes it resist motion.

Some other types of forces aids motion.

The newton's law of motion gives a very good insight into forces.

learn more:

Newton brainly.com/question/11411375

#learnwithBrainly

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What is a conversion factor?
rosijanka [135]

Answer:

A ratio of equivalent units

Explanation:

A conversion factor is a ratio of equivalent units and depends on which units are to be converted.

For example we want to convert 275 [mm] to inches, so we have to find the right conversion factor to allow us to work that conversion.

275 [mm] = inches = ?

275 [mm] * \frac{1in}{25.4mm} = 10.82 [in]

In this case the ratio is 1/25.4 = 0.039 [in/mm]

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A stationary siren on a firehouse is blaring at 81Hz. Assume the speed of sound to be 343m/s. What is the frequency perceived by
inn [45]

For a stationary siren on a firehouse is blaring at 81Hz. Assume the speed of sound to be 343m/s, the frequency perceived  is mathematically given as'

F=81.721Hz

<h3>What is the frequency perceived by a firefighter racing toward the station at 11km/h?</h3>

Generally, the equation for the doppler effect  is mathematically given as

F'=\frac{vs+v}{vs}*f

Therefore

F=81(343+3.05556)/343

F=81.721Hz

In conclusion, the frequency is

F=81.721Hz

Read more about frequency

brainly.com/question/24623209  

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Where was the novel from the word quark was taken
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