Question

• A belt is moving horizontally with a velocity of 5 m/sec, if the sand
drops are falling vertically upon it at the rate of 4 kg/sec, then
calculate the extra force required to keep the belt moving.​

Answer 1

Answer:

don't know

Explanation:

don't knowdon't know

Answer 2

Answer:

20 N

Explanation:

Given:- v =5m/sec

dm/dt = 4 kg/ sec

Now ,

Force = V*dm/dt

therefore

F = (5* 4)N

= 20N