The hot air balloon rises because it is
A) denser
B) less dense
C) equally dense
D) the given statement is wrong
Correct Answer:
Verified
Q3: The law which defines force is
A)Newton's third
Q4: Friction between any two objects is due
Q5: Pascal is the unit for
A)pressure
B)thrust
C)buoyant force
D)None of
Q6: The mercury barometer was invented by
A)Celsius
B)Fahrenheit
C)Torricelli
D)Bernoulli
Q7: The buoyant force depends on
A)depth of a
Q9: A boat full of iron nails is
Q10: An ice cube is floating in a
Q11: The branch of physics which deals with
Q12: Pressure is a
A)scalar quantity
B)vector quantity
C)normal force
D)all the
Q13: The upward force acting on the body
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