VIII-C Unit-2
Quiz by Monica
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- Q1
If we apply force against the direction of motion of the body, then the body will .........
move with a decreased speed
move with an increased speed
stop moving
move in a different direction
30s - Q2
Unit of pressure is ......
Pascal
Poise
30s - Q3
The value of the atmospheric pressure at sea level is ....... of mercury column.
7.6 cm
76 cm
760 cm
176 cm
30s - Q4
Pascal's law is used in ......
Hydraulic lift
pressing heavy bundles
All the above
brake system
30s - Q5
Force acting on a given area is called pressure.
True
False
30s - Q6
Rolling friction is slightly greater than the sliding friction.
False
True
30s - Q7
Objects are sliding -
Static friction
Sliding friction
30s - Q8
Static friction -
Objects are moving
Objects are at rest
30s - Q9
Increasing area of contact -
decreases friction
increases friction
decreases friction
30s - Q10
Lubricants -
reduce friction
increases friction
no friction
30s