Sand is being dropped on a belt at rate of 2 kg/s the force necessary to keep the belt moving with constant speed 3m/s
Answer (1)
Student Expert
16th Aug, 2019
Hello dear student,
Greetings!
In these kind of questions, you should remember the concept that force is nothing but the rate of change of moment, and once you apply this concept, your life will become easy and you can easily solve this kind of questions.
So ,
Force= rate of change of monentum =d/dt* mv
=v*dm/dt as v is constant
ThereforeF=Mv =2*3= 6 newton
Thankyou
Good luck
Greetings!
In these kind of questions, you should remember the concept that force is nothing but the rate of change of moment, and once you apply this concept, your life will become easy and you can easily solve this kind of questions.
So ,
Force= rate of change of monentum =d/dt* mv
=v*dm/dt as v is constant
ThereforeF=Mv =2*3= 6 newton
Thankyou
Good luck
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