Since static friction is the minimum force required to just start the motion of a stationary object.
Here if we need to start an object from rest then we required F = 700 N
So for the first part of the above problem Force will be F = 700 N
Now if the box is already moving then we will have to use kinetic friction force between box and floor
now we can write the equation of net force as
here
now we will have
Answer:
C.
Explanation:
Visual constancy is a key mechanism that allows the perception to remain.the same even as images change
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Gravity is greater when there is more mass and less distance between two given objects.
When atoms combine to form covalent bonds, the resulting collection of atoms or group of atoms is called a molecule.
<h3>
How does atom combine?</h3>
Atoms can combine with each other through sharing of the electrons, donating the electrons etc. to make molecules.
When atoms combine by forming covalent bonds, the resulting collection of atoms is called a molecule. We can therefore say that a molecule is the simplest unit of a covalent compound.
Thus, when atoms combine to form covalent bonds, the resulting collection of atoms or group of atoms is called a molecule.
Learn more about combination of atoms here: brainly.com/question/5974633
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<span>A rocket in its simplest form is a chamber enclosing a gas under pressure. A small opening at one end of the chamber allows the gas to escape, and in doing so provides a thrust that propels the rocket in the opposite direction. A good example of this is a balloon. Air inside a balloon is compressed by the balloon's rubber walls. The air pushes back so that the inward and outward pressing forces are balanced. When the nozzle is released, air escapes through it and the balloon is propelled in the opposite direction.</span>
