Why is it easier to carry the same amount of water in two buckets, one in each hand rather than in a single bucket?

Why is it easier to swim in sea water than in river water?

Why is it easier for you to float in salt water than in fresh water?

Why is it easier to stop a lightly loaded truck than heavier one that has equal speed

Explain why the aquatic species are more conmfortable in cold water during winter season rather than warm water during the summer.

Ramu and Raju are dragging water in a bucket from the wells A and B respectively. Ramu dragged three buckets of water within 5 minutes but Raju could not do for the short interval of time. He could take only two buckets of water in 7 minutes. What do you inter from this Incidence. What is the expression and unit for power ?

Ramu and Raju are dragging water in a bucket from the wells A and B respectively. Ramu dragged three buckets of water within 5 minutes but Raju could not do for the short interval of time. He could take only two buckets of water in 7 minutes. What do you inter from this Incidence. What is the Expression for Work or Energy ?

A and B are two separate reservoirs of water. Capacity of reservoir A is double the capacity of reservoir Bdot Both the reservoirs are filled completely with water, their inlets are closed and then the water is released simultaneously from both the reservoirs. The rate of flow of water out of each reservoir at any instant of time is proportional to the quantity of water in the reservoir at the time. One hour after the water is released, the quantity of water is reservoir A is 1 1/2 times the quantity of water in reservoir Bdot After how many hours do both the reservoirs have the same quantity of water?

Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in