Question

Q.21.Choose the ones which are based on Archimedes' principle.
Submarine
Ship
Both a & b
Q.22.According to Archimedes' principle the buoyant force is equal to the:
Weight of the object
Weight of the water displaced by the object
Mass of the object
Q.23.The buoyant force acts in:
The upward direction
The downward direction
All the direction
Q.24. When the density of the liquid increases, the buoyant force will:
Increase
Decrease
Does not change
Q.25. For an object sinking in water, buoyant force will be:
Less than gravitational force
Greater than gravitational force
Equal to the gravitational force​

Answer 1

Answer:

q.21.b

q.22.b

q.23.a

q.24.a

q.25.

Answer 2

1.c both a&b

2.b. wieght of the water displaced by the body

3.à. upward direction

4.a. increases

5. B. graeter