Fill me up!
Mass = _________ x __________
Mass = Density x Volume
Force exerted by fluid on the objects immersed in it
Buoyant Force
An empty water bottle floating on the water surface is an example of ________
a. Buoyant force < weight
b. Buoyant force > weight
c. None of the above
b. Buoyant force > weight
When the density of an object is less than the density of the fluid, the object will __________
float on the surface of fluid
Relative density of water
1
How could you make steel float in water?
a. Take some mass out
b. Change the shape and therefore the surface area
c. You can't
b. Change the shape and therefore the surface area
Buoyant force on the object is very less compared to its weight, so object will ___________ in the fluid.
sink
A cube of weight 10 N has a resultant force of 7 N when immersed in water. Buoyant force due to water on the cube is __________.
3 N
The density of aluminum is 2.7 g/cm3 and of brass is 8.4 g/cm3. For the same mass,
a. volume of brass > volume of aluminum
b. volume of brass < volume of aluminum
c. volume of brass = volume of aluminum
d. nothing can be said
b. volume of brass < volume of aluminum
Relative density of an object is 0.76. The object will____ when immersed in honey.
Float
Object has mass 84 g and volume 120 cm3. Density of object in kg/m3 is _____
700 kg/m3
There are two balls A and B with equal volume. A has a density equal to the density of water and B has a higher density than the density of water. If both the balls are immersed in two different beakers of water, then ________
a. A will displace more water than B
b. B will displace more water than A
c. A and B both will displace an equal amount of water
d. Can't say
c. A and B both will displace an equal amount of water
Both the balls have the same volume.