The frictional force exerted by fluids is also called ________.
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Which of the following never occurs singly in nature?
Even after sunset, the air near the Earth's surface continue to receive heat due to
On which principle does the hydraulic lift works?
If electric resistance is to be decreased, then the number of resistances should be connected in ________________
If the mass of an object is 60 kgs, what will be its weight on the moon? (N=Newton)
The strain produced in a body is directly proportional to the stress applied on it, is called _______.
When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion?