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Physics CBSE Live product
Class 8 (2026-27)
Exploring Forces
Measurement of Weight and Buoyancy
5.
Buoyant force
Question:
3
m.
Choose the correct answer:
1
.
Upthrust
-
The pressure applied only at the bottom of a liquid
The downward force applied by a liquid on an object
The upward force exerted by a liquid on an immersed object
The force of gravity acting inside a liquid
2
.
Floating
-
When gravity stops acting on the object
When buoyant force is equal to the weight of the object
When gravitational force is greater than upthrust
When buoyant force is less than the object’s weight
3
.
Magnitude
-
Depends only on the mass of the object
Depends on the density of the liquid
Depends only on the size of the object
Depends only on the shape of the object
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