Sand grains are being dropped vertically at a rate of 2 kgcdot s^(-1) on a conveyer belt moving at a constant velocity of0.1 mcdot s^(-1). Find the additional force needed to keep the belt moving.

Sand grains are being dropped vertically at a rate of 2 kgcdot s^(-1)

1.	Sand grains are being dropped vertically at a rate of 2 kgcdot s^(-1) on a conveyer belt moving at a constant velocity of0.1 mcdot s^(-1). Find the additional force needed to keep the belt moving.
Answer» ANSWER :0.2 N