Force and Pressure

Total Questions: 14

1 - Two equal forces act at the same time on the same stationary object but in the opposite directions . which statement describes the object's motion?
A ) The object changes direction
B ) The object accelerates
C ) The object remains stationary ✅
D ) The object moves at a constant speed

2 - A student ,pushes against a tree with a force of 10 Newton (N). The tree does not move what is the amount of force exerted by the tree on the student?
A ) 0
B ) 5N
C ) 10N ✅
D ) 20N

3 - What causes objects to move?
A ) Velocity
B ) Unbalanced forces
C ) Balanced forces ✅
D ) Friction

4 - The pressure at the bottom of the tank containing a liquid does not depend on:
A ) Area of the bottom surface ✅
B ) Height of the liquid column
C ) Nature of the liquid
D ) Acceleration due to gravity

5 - The SI unit of pressure is:
A ) Watt
B ) Joule
C ) Pascal ✅
D ) Newton

6 - When same amount of force is applied on different areas, it exerts:
A ) Low pressure on small area
B ) Non pressure on small area
C ) High pressure on small area ✅
D ) High pressure on large area

7 - People on hills experience atmospheric pressure:
A ) More than that at the sea level
B ) Less than that at the sea level ✅
C ) Same as that at the sea level
D ) Four times more than that at the sea level

8 - As we go up in the air:
A ) Atmospheric pressure increases
B ) Atmospheric pressure decreases ✅
C ) Atmospheric pressure does not change
D ) Atmospheric pressure becomes zero at the height of 1 km

9 - The force acting normally on unit area is:
A ) Stress
B ) Strain
C ) Pressure ✅
D ) Motion

10 - Which statement is true?
A ) The greater the depth of water, the greater is the pressure
B ) The greater the depth of water the greater is the pressure ✅
C ) The lower the depth of water the greater is the pressure pressure
D ) The greater the area of water the greater is the pressure

11 - Pressure = ______
A ) Force /area ✅
B ) Area/ force
C ) Area× force
D ) Area +force

12 - 1 KPa=_____
A ) 1000 Pa ✅
B ) 100 Pa
C ) 1056 Pa
D ) 800 Pa

13 - Water pressure increases by _____ for everyone metre down in a lake or in an ocean.
A ) 8000 Pa
B ) 9000 Pa
C ) 10000 Pa ✅
D ) 11000 Pa

14 - A _____ force acting on a stationary object could make the object start moving.
A ) Balanced
B ) Unbalanced ✅
C ) Perpendicular
D ) Inclined
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