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Subjects
Science State Board
Class 8
Force and presssure
Textboook questions
1.
Choose the correct answer I
Exercise condition:
4
m.
1
.
If we apply force against the direction of motion of the body, then the body will
move with a decreased speed
stop moving
move in a different direction
move with an increased speed
2. Pressure exerted by a liquid is increased by
the density of the liquid
the height of the liquid column
Both a and b
None of the above
3
.
Unit of pressure is
Pascal
\(Nm–2\)
Both a and b
None of the above
4. The value of the atmospheric pressure at sea level is
76 cm of mercury column
7.6 cm of mercury column
76 cm of mercury column
760 cm of mercury column
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