Question

some one know plz answer any three plz ​

Answer 1

Explanation:

distance is a scalar quantity . displacement is a vector quantity . distance is the object covered a place by its motion . displacement is the shorter way of distance .

Answer 2

Answer:

1.dams, structure built across stream, a river, or an estuary to retain water. dams are built to provide water for human consumption, for irrigating arid and semiarid lamds, or for use in industrial processes.

2. when a body moves on the horizontal surface, force and displacement act in the forward path. the work is done in this case know as positive work. negative work is performed if the displacement is opposite to the direction of the force applied.

3.if any luggage kept on the roof of the bus is not tied with a rope then it tends to move forward due to it's inertia. In this process, it could fall of the bus.

hope it helps