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Force And Pressure Mock Tests

24 questions available

Force And Pressure Mock Test 1

Questions: 24

Sample Questions

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 type of friction is the weakest?
A Static friction
B Sliding friction
C Rolling friction
D Fluid friction
Class 8 Science
What is the SI unit of force?
A Joule
B Newton
C Pascal
D Watt
Class 8 Science
Force is a _______ quantity.
A Scalar
B Vector
C Both scalar and vector
D Neither scalar nor vector
Class 8 Science
Which type of friction is the strongest?
A Rolling friction
B Sliding friction
C Static friction
D Fluid friction
Class 8 Science
Which of the following is the SI unit of pressure?
A Newton
B Pascal
C Joule
D Watt
DSC Science
Which of the following is an advantage of friction?
A It causes wear and tear of machinery
B It helps us walk without slipping
C It produces heat that wastes energy
D It reduces the speed of moving objects
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

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