NEET Physics Laws of Motion Questions Solved


 

Sand is being dropped on a conveyor belt at the rate of M kg/s. The force necessary to keep the belt moving with a constant velocity of v m/s will be 

(a)Mv newton 

(b) 2 Mv newton 

(c) Mv2newton 

(d) zero

Concept Videos :-

#29-Thrust-Force
30-Solved-Examples-14

Concept Questions :-

Variable mass system
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