Force And Pressure Mock Tests

24 questions available

Force And Pressure Mock Test 1

Questions: 24

Sample Questions

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

Force is a _______ quantity.

A Scalar

B Vector

C Both scalar and vector

D Neither scalar nor vector

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

DSC Science

Why does atmospheric pressure decrease as we go higher above sea level?

A The temperature increases with altitude, reducing pressure

B The Earth's gravity becomes weaker at higher altitudes

C The density of air decreases because most of the atmosphere's mass is concentrated near the Earth's surface

D The amount of oxygen in the air decreases at higher altitudes

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

When a force of 10 N acts on an object and moves it through a distance of 2 m, the work done is:

A 2 J

B 5 J

C 20 J

D 12 J

Class 8 Science

Which type of force is required to change the direction of a moving ball?

A No force

B A force opposite to motion

C A force perpendicular to motion

D A force in the direction of motion

Class 8 Science

Which of the following is a non-contact force?

A Frictional force

B Gravitational force

C Tension force

D Air resistance

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