What can also be seen as a conveyor belt that transports objects?

If it's a math problem, I think it's translation, my friend's kid just learned!

The reason for the forward motion of an object moving at a uniform speed on a conveyor belt at a water level is. :a.subjected to a frictional force in the same direction of motion; b.

subject to an inertial DAO force; c.In the horizontal direction there is no force at all, and the object moves forward at a constant speed due to inertia-

The students scrambled to speak: A: "A is correct.

Because the object is on the conveyor belt, and the object is rough and uneven from the conveyor belt, so. The object is subjected to a static frictional force in the same direction as its motion, and the object moves forward only under the action of this force. "B:

b correct. Because the object does not slip on the conveyor belt, the object is not subject to frictional force, and the reason why the object moves forward is because of an inertial force. "C:

c correct. The object is not subject to static friction at all, because, suppose the object is subjected to a static friction force in the same direction as the object's motion, then the object applying the force is a conveyor belt, and because the object is moving at a uniform speed, then there must also be a force in the horizontal direction equal to its magnitude and in the opposite direction, and who is the object exerting this force? Is the object only in contact with the conveyor belt, or is it a conveyor belt?

It is not possible for a conveyor belt to give both a forward force to the object and a backward force to the object. So the object is not subjected to force in the horizontal direction. The reason why the object moves forward is due to inertia and not an inertial force.

Because the motion of an object does not require force to sustain it, force is not what makes an object move.

If there is friction in the reverse motion, the object will first slow down and then accelerate in the opposite direction, and fall from the conveyor belt when the velocity is equal to the speed of the conveyor belt, if there is no friction, the object will not slow down, let alone accelerate in the opposite direction.

In terms of the situation:

Conveyor belt level: There is indeed no friction when moving at a constant speed, but don't forget that the object is accelerated from rest, and there is friction during the acceleration phase; If there is acceleration when there is non-uniform motion, there must be friction.

The flying horizontal conveyor section has a vertical component, and the support force is oblique, and friction is also required to overcome gravity.

In practice, there is almost no uniform linear motion in the horizontal direction, so friction is basically used.

As shown in the figure below: object A on the conveyor belt moves to the right with the operation of the conveyor belt.

Figure out the following:

After object A is placed on a moving conveyor belt, because the conveyor belt has a static friction force f on object A, it will change A from stationary to rightward motion (relative to the ground). The static friction f is the reason for changing the state of motion of object a. The direction of F is the same as that of A, preventing A from sliding to the left relative to the belt (where A tends to slide to the left relative to the belt).

When object A moves at a uniform speed with the conveyor belt, object A is not subject to friction, but moves in a uniform linear motion due to inertia (there is no tendency to slide relative to the conveyor belt).

If the conveyor belt comes to rest suddenly, object A will continue to move to the right due to inertia, which will produce a relative sliding force between the conveyor belt and the conveyor belt, so the conveyor belt will produce a leftward friction force on A, which will hinder the continuous sliding of object A and make A gradually stop.

When entering the station and passing through the security check, the items to be carried should be placed on the conveyor belt of the security inspection machine, and the friction of the objects is the same as the previous two processes, that is, there is no first process.

The relative displacement of the object and the conveyor belt is also s, that is, it is proved that the object opposition displacement s is equal to the relative displacement between the object and the conveyor belt s1.

The process is as follows: assuming that the friction factor between the object and the conveyor belt is , and the mass of the object m then the object is just placed on the conveyor belt, the force on the object is: f = mg by Newton's second law, and the acceleration of the object is magnitude:

a=f m= g is determined by the law of linear motion of uniform velocity: vt2- v02=2 as, therefore, when the velocity of the object is v, the object counterpoint displacement is s=v2 2 g, and the time required for this process is t=v g

At this time, the opposing displacement of the conveyor belt is l=vt=v2 g=2s, so the displacement of the object to the conveyor belt is s1=l-s=s

So the object-to-object displacement s is equal to the relative displacement between the object and the conveyor belt s1

The word explanation of conveyor belt is: a device for conveying materials, machinery and finished products in factories, mines, construction and other departments. There are fixed and removable. Refers specifically to the conveyor belt on the device.

The word explanation of conveyor belt is: a device for conveying materials, machinery and finished products in factories, mines, construction and other departments. There are fixed and removable.

Refers specifically to the conveyor belt on the device. The phonetic pronunciation is: The structure is:

Transmission (left and right structure), send (semi-enclosed structure), belt (upper and lower structure). The part of speech is: noun.

Pinyin is: chuánsòngdài.

The specific explanation of the conveyor belt is what the bucket is, we will introduce it to you through the following aspects:

1. Citations and explanations [click here to view the details of the plan].

Factories, state grinding mines, construction and other departments to transport materials, parts, finished products. There are fixed and removable. Refers specifically to the conveyor belt on the device.

Ershirt with Chinese dictionary.

A belt that rotates in circulation on a conveyor.

3. Network Explanation.

Conveyor beltsIn the mid-17th century, the United States began to use aerial cableways to transport bulk materials; In the middle of the 19th century, conveyor belt conveyors of various modern structures appeared one after another. In 1868, belt conveyors appeared in England; In 1887, screw conveyors appeared in the United States; In 1905, steel belt conveyors appeared in Switzerland; In 1906, inertial conveyors appeared in England and Germany. Since then, the conveyor belt conveyor has been affected by the technological progress of machinery manufacturing, electrical, chemical and metallurgical industries, and has been continuously improved, and has gradually developed from the completion of the transmission within the workshop to the completion of material handling within the enterprise, between enterprises and even between cities, and has become an indispensable part of the mechanization and automation of the material handling system.

Words about conveyor belts.

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Idioms about conveyor belts.

Passing on the scriptures, sending treasures, sending hugs, pushing plackets, sending hugs, sending to sight, sending to things, welcoming the new year, ushering in the new year, sending Buddhas, sending deaths, health care, and sending Buddhas to the west.

Words about conveyor belts.

Pass the cup and send the cup to the house, pass the scriptures, send the treasure to push the placket, send the golden wind, send the cool, send the hug to push the placket, send the death and health, secretly send the autumn wave, send the doubt, send the difficulty, usher in, and send it.

Sentence formation about conveyor belt.

1. The second son took Zhu Xiaofei and Heizi to stop in front of a conveyor belt carried by a magnetic roller, the magnetic roller was carried by the diesel engine, and the diesel engine had just started, and the sound of black smoke was very loud.

2. The system transports the luggage bags from the counter in the ticket hall through the conveyor belt, automatically inspects the ** items, and then sorts them to specific destinations according to the flight number.

3. The vaccine covered with rubber stopper enters the outer packaging room through the conveyor belt, and then inspects them one by one, labels them, and puts them into small cartons with instructions.

4. Please sell the rubber belt, gear belt, ring belt and conveyor belt to us at the lowest **!

5. Make use of the four "conveyor belts" for the disclosure of procuratorial affairs to further develop the potential of the traditional platform for the disclosure of procuratorial affairs.

The goods are being conveyed on the conveyor belt, the object being studied is the goods, there is no change of position between the goods and the conveyor belt, the conveyor belt is selected as the reference object, and the goods are stationary; A change of position occurs between the cargo and the ground, and the ground is selected as the reference, and the cargo is in motion

So the answer is: conveyor belts; ground