Gravels are dropped on a conveyor belt at the rate of `0.5` kg / sec . The extra force required in newtons to keep the belt moving at 2 m/sec is

Gravel is dropped on a conveyer belt at the rate of 0.5 kg/ sec . Find the extra force required in Newton to keep the belt moving at 2m/sec.

Gravel is dropped on a conveyor belt at the rate of 2 kg/s. The extra force required to keep the belt moving at 3 ms^(-1) is

Gravel is dropped on a conveyor belt at the rate of 2 kg/s. The extra force required to keep the belt moving at 3 ms^(-1) is

Gravel is falling on a conveyor belt at the rate of 12 kg s^(-1) . The extra power required to move the belt with a velocity of 5ms^(-1) is

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