Quizglory::Challenge Yourself

Gravitation and Fluid Part-4


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Q.1 : The weight of a body is 120 N on the earth. If it is taken to the moon, its weight will be about:
A:
B:
C:
D:
Q.2 : Two iron and wooden balls identical in size are released from the same height in vacuum. The time taken by them to reach the ground are:
A:
B:
C:
D:
Q.3 : Pressure varies with force as :
A:
B:
C:
D:
Q.4 : Pressure exerted by a sharp needle on a surface is :
A:
B:
C:
D:
Q.5 : If a force of 10N acts on two surface (area in the ratio 1:2 ) then the ratio of thrusts will be :
A:
B:
C:
D:
Q.6 : The height of mercury which exerts the same pressure as 20cm of water column, is equal to :
A:
B:
C:
D:
Q.7 : Pressure varies with area (A) as:
A:
B:
C:
D:
Q.8 : A force of 50 N is applied on a nail of area 0.001sq.cm. Then the thrust is :
A:
B:
C:
D:
Q.9 : The S.I. unit of pressure is:
A:
B:
C:
D:
Q.10 : The pressure exerted by a liquid at depth h is given by:
A:
B:
C:
D: