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Subjects
Science CBSE
Class 8 New
Exploring Forces
Textbook Based Questions
13.
Buoyant force
Exercise condition:
3
m.
Select the correct answer:
1
.
Upthrust
-
The upward force exerted by a liquid on an immersed object
The downward force applied by a liquid on an object
The force of gravity acting inside a liquid
The pressure applied only at the bottom of a liquid
2
.
Floating
-
When buoyant force is equal to the weight of the object
When buoyant force is less than the object’s weight
When gravitational force is greater than upthrust
When gravity stops acting on the object
3
.
Archimedes’ principle
-
The buoyant force equals the weight of liquid displaced
An object loses mass when immersed in a liquid
The buoyant force depends only on gravity
The weight of an object increases in a liquid
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