Multiple Choice
A cork floats on the surface of an incompressible liquid in a container exposed to atmospheric pressure.The container is then sealed and the air above the liquid is evacuated.The cork:
A) sinks slightly
B) rises slightly
C) floats at the same height
D) bobs up and down about its old position
E) behaves erratically
Correct Answer:

Verified
Correct Answer:
Verified
Q48: Two balls have the same shape and
Q49: The two arms of a U-tube are
Q50: The pressure exerted on the ground by
Q51: A block of ice at 0 °
Q52: A non-viscous incompressible fluid is pumped steadily
Q54: Bernoulli's equation can be derived from the
Q55: Water (density = 1.0 x10<sup>3</sup> kg/m<sup>3</sup>)flows through
Q56: A boat floating in fresh water displaces
Q57: All fluids are:<br>A)gases<br>B)liquids<br>C)gases or liquids<br>D)non-metallic<br>E)transparent
Q58: A wood board floats in fresh water