Force and Pressure
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Concept of Force and its Effects
SubtopicConcept of Force and its Effects under Force and Pressure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Moving a heavy desk from one corner of the room to another requires applying a:
A.Heat
B.Pressure
C.Force
D.Sound
- 2.
When you use a steering wheel to turn a car, you are using force to change the car's:
A.Mass
B.Direction
C.Shape
D.Volume
- 3.
Stretching a coil spring involves what kind of force?
A.Push
B.Pull
C.Magnetic
D.No force is involved
Download the worksheet for Force and Pressure - Concept of Force and its Effects to practice offline. It includes additional chapter-level practice questions.
Contact and Non-contact Forces
SubtopicContact and Non-contact Forces under Force and Pressure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Which force helps in holding a glass tumbler in our hand?
A.Magnetic force
B.Electrostatic force
C.Frictional force
D.Gravitational force
- 2.
Which of these forces can act from a distance?
A.Muscular force
B.Frictional force
C.Gravitational force
D.None of these
- 3.
The force that acts between two charged bodies is:
A.Magnetic force
B.Frictional force
C.Electrostatic force
D.Muscular force
Download the worksheet for Force and Pressure - Contact and Non-contact Forces to practice offline. It includes additional chapter-level practice questions.
Pressure: Definition and Calculation
SubtopicPressure: Definition and Calculation under Force and Pressure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Pressure is defined as:
A.Total force acting on a surface
B.Force acting per unit area of a surface
C.Product of force and area
D.Mass per unit volume
- 2.
Which among the following is a unit of area in the pressure formula ?
A.B.C.D. - 3.
If the area is and the pressure is , find the force.
A.B.C.D.
Download the worksheet for Force and Pressure - Pressure: Definition and Calculation to practice offline. It includes additional chapter-level practice questions.
Pressure Exerted by Liquids and Gases
SubtopicPressure Exerted by Liquids and Gases under Force and Pressure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
Which of the following correctly describes the relationship between pressure (), force (), and area ()?
A.B.C.D. - 2.
When air is removed from a tin can using a vacuum pump, the can collapses inwards because:
A.The air inside pushes it out
B.The air pressure outside is greater than the pressure inside
C.The tin becomes soft
D.Gravity pulls the walls together
- 3.
The pressure exerted by a liquid at a depth of in water will be ________ the pressure at a depth of in water.
A.Less than
B.Equal to
C.More than
D.Half of
Download the worksheet for Force and Pressure - Pressure Exerted by Liquids and Gases to practice offline. It includes additional chapter-level practice questions.
Atmospheric Pressure and its Measurement
SubtopicAtmospheric Pressure and its Measurement under Force and Pressure for Grade 8 CBSE.
Preview questions (no answers)
- 1.
The instrument 'Manometer' is primarily used to measure:
A.Wind speed
B.Liquid pressure
C.Humidity
D.Light intensity
- 2.
Why is it difficult to pull apart two joined hemispheres with a vacuum inside?
A.Gravity holds them together
B.Atmospheric pressure pushes them from the outside
C.Magnetic force develops between them
D.The metal becomes sticky
- 3.
If the area of a surface is halved while the force remains the same, the pressure will:
A.Be halved
B.Double
C.Remain same
D.Become four times
Download the worksheet for Force and Pressure - Atmospheric Pressure and its Measurement to practice offline. It includes additional chapter-level practice questions.