A truck of mass `500kg` is moving with constant speed `10ms^(-1)`. If sand is dropped into the truck at the constant rate `10kg/min`,the force required to mainatain the motion with constant velocity is .

A cart is moving with a velocity 20 m/s. Sand is being dropped into the cart at the rate of 50 kg/min. The force required to move the cart with constant velocity will be :

A cart is moving with a velocity 20m/s. Sand is being dropped into the cart at the rate of 50 kg/min. The force required to move the cart with constant velocity will be :-

A cart is moving with a velocity 20m/s. Sand is being dropped into the cart at the rate of 50 kg/min. The force required to move the cart with constant velocity will be :-

A cart is moving with a velocity 20m/s. Sand is being dropped into the cart at the rate of 50 kg/min. The force required to move the cart with constant velocity will be :-

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:

A train is moving with velocity 20 m//sec . on this dust is falling at the rate of 50 kg / minute . The extra force required to move this train with constant velocity will be

A truck of mass 1200kg is moving with a speed of 7ms^(-1) when it collides with a second truck of mass 1600kg which is stationary. If the two trucks are automatically coupled together on impact, the speed with which combination moves is