Force and Pressure MCQ Questions and Answers Quiz

21. A cricketer catches a ball. The force coming in action is

1. contact force
2. gravitational force
3. frictional force
4. all of these

22. A boy is pulling a cart by a force of 100 N. The frictional force experienced by the cart is 20 N. The force that causing the motion of the cart is

1. 100 N
2. 120 N
3. 80 N
4. 5 N

23. A box of weight 400 N is kept on the floor. The area of contact is 4 m2. The pressure exerted by the box on the floor is

1. 100 Pa
2. 200 Pa
3. 300 Pa
4. 400 Pa

24. Opening a door is an example of .............

1. Non contact force
2. Spring force
3. Contact force
4. Magnetic force

25. What is the cause of change in motion or change in the state of motion?

1. Atmospheric Pressure
2. Friction
3. Pressure
4. Force

26. A charged balloon attaches to a wall because of ..........

1. Electrostatic force
2. Magnetic force
3. Muscular force
4. Gravitational force

27. The unit of force is ...............

1. Dyne
2. kg. weight
3. Newton
4. All of these

28. What is force?

1. Pull
2. both a and b
3. Push
4. None of these

29. A body is said to be under balanced forces when the resultant force applied on that body is ........

1. Zero
2. Infinite
3. One
4. None of these

30. The ratio of force, acting perpendicular to the area, on which it acts is known as ..........

1. Friction
2. Presure
3. Force
4. Density
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