Mechanical advantage is a measure of the force amplification
achieved by using a tool, mechanical device or machine system. Ideally,
the device preserves the input power and simply trades off forces
against movement to obtain a desired amplification in the output force.
The model for this is the <span>law of the lever.</span> Machine components designed to manage forces and movement in this way are called mechanisms.
An ideal mechanism transmits power without adding to or subtracting
from it. This means the ideal mechanism does not include a power source,
and is frictionless and constructed from rigid bodies that do not
deflect or wear. The performance of a real system relative to this ideal
is expressed in terms of efficiency factors that take into account
friction, deformation and wear.
The answer is b
300,000 km
Answer:

Explanation:
For a drop in equilibrium, the weight is equal to the electric force (in magnitude):

where here we have
is the weight of the drop
is the magnitude of the electric force, which can be rewritten as

where
q is the charge of the oil drop
is the magnitude of the electric field
Substituting into the equation and solving for q, we find the charge of the oil drop:

Fluid Dynamics is an area of research that started a long time ago, along with Calculus. It combines techniques of Mathematical Analysis and of Dynamical Systems, such as Bifurcation Theory, among others.
<h3>What is surface tension?</h3>
Surface Tension is a phenomenon that occurs in all liquids, it is characterized by the formation of a kind of elastic membrane at its ends.
<h3>How to calculate the contact angle?</h3>
Contact angles in powders can be measured using the sessile drop measurement in the compressed powder or using the force tensiometer with the Washburn method.
In fluid dynamics, the variables of surface tension, viscosity and contact angle are treated. When dealing with viscosity we have fluid can be viscous or a real fluid. In general, fluids are viscous.
See more about fluid dynamics at brainly.com/question/5144636
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Answer:
256 ×a0
Explanation:
I have added an attachment because I am not sure the phrase that negates brainly word why I couldn't submit the answer directly.
View the explanation from attachment 3 followed by 2 and then 1