A body floats in a liquid if the buoyant force is:
equal to its weight
The buoyant force must be equal to the weight of the body for it to float in the liquid. If the buoyant force is greater than the weight, the object will rise; if it is less, the object will sink. Thus, the correct answer is (a) equal to its weight.
On the basis of which principle does soap clean surfaces?
Which one of the following devices is used to measure atmospheric pressure?
Which one of the following energy is stored in the links between the atoms?
Who among the following has explained the phenomenon of photoelectric effect?
What special name is given to the frictional force exerted by a fluid?