Answer:
Two forces applied to an object in opposite directions will be subtracted. ... If the net force is zero, no change will happen to the object's motion. If the forces are unbalanced, meaning there is some amount of net force, then the object will move in the direction of the force.
The normal force of the floor acting on the person
As published in EPA's national water quality inventory report,
40 Percent of rivers and 46 % of lake are considered to be plluted. these sources, called the surface water are vulnerable to pollution discharged of pipesand runof pollutants washing off the lands.
These sources are extremely unsafe to drink and to swim in
