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Force And Pressure Mock Tests

24 questions available

Force And Pressure Mock Test 1

Questions: 24

नमूना प्रश्न

DSC Science
When a bus suddenly starts moving, the passengers standing inside tend to fall backward. This is an example of which property of motion?
A Inertia of motion
B Inertia of direction
C Inertia of rest
D Centripetal force
Class 8 Science
What is the force that opposes the motion of an object through air called?
A Friction
B Air resistance (drag)
C Gravity
D Magnetic force
Class 8 Science
A school bag has wide straps instead of thin strings because wide straps:
A Look more attractive
B Increase the area of contact, reducing pressure on the shoulders
C Decrease the weight of the bag
D Make the bag easier to carry over long distances only
Class 8 Science
Which of the following forces acts between charged objects without physical contact?
A Frictional force
B Gravitational force
C Electrostatic force
D Magnetic force
Class 8 Science
A force of 20 N acts on a body of mass 4 kg. What is the acceleration produced?
A 5 m/s²
B 80 m/s²
C 16 m/s²
D 24 m/s²
Class 8 Science
The SI unit of force is:
A Pascal
B Joule
C Newton
D Watt
Class 8 Science
Dams are built with thicker walls at the bottom because:
A Water pressure increases with depth
B The bottom needs more decoration
C Gravity is stronger at the bottom
D Water becomes denser at the bottom
Class 8 Science
Which of the following forces acts between the Earth and the Moon without physical contact?
A Frictional force
B Gravitational force
C Magnetic force
D Electrostatic force

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