Introduction to Forces – MCQs

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1. Which of the following best defines a force?



2. The SI unit of force is:



3. Force is a __________ quantity.



4. Who formulated the three laws of motion that describe forces?



5. 1 Newton is defined as:



6. Which of the following is NOT an effect of force?



7. Balanced forces acting on a body will cause:



8. Unbalanced forces acting on a body result in:



9. Which of the following is a contact force?



10. Which of the following is a non-contact force?



11. The force of attraction between any two masses is called:



12. The force exerted by a surface to support the weight of an object is called:



13. The force resisting the motion of objects in contact is:



14. The force applied through a string, rope, or cable is:



15. Which instrument is commonly used to measure force?



16. Which law states that an object remains at rest or in uniform motion unless acted upon by a force?



17. The relationship F = ma represents:



18. For every action, there is an equal and opposite reaction. This is:



19. Which of the following is NOT a fundamental effect of a force?



20. A force that opposes motion in fluids like air and water is:



21. The turning effect of a force is called:



22. The force per unit area is known as:



23. Which of these is a vector quantity related to force?



24. If a body is moving with uniform velocity, the net force acting on it is:



25. When two equal forces act in opposite directions on a body, the net force is:



26. Which force enables us to walk without slipping?



27. The product of force and time is called:



28. The force which keeps planets in orbit around the Sun is:



29. The force acting perpendicular to a surface is called:



30. A stretched spring applies:



31. Which of the following forces is responsible for tides on Earth?



32. Which of these forces is always attractive?



33. A force acting on a moving charge in a magnetic field is called:



34. The net force acting on an object is called:



35. The tendency of an object to resist change in its state of motion is called:



36. The force of a jet engine pushing an aircraft forward is:



37. Which of the following increases with greater force applied over the same area?



38. The force that causes an object to move in a circular path is:



39. The equation W = F × d represents:



40. Which of the following is a non-mechanical force?



41. Which of the following is NOT a unit of force?



42. Which type of force occurs due to stretching or compression of materials?



43. Which property of a body is directly related to the force required for acceleration?



44. Which law explains why seatbelts are necessary in cars?



45. Which of the following is measured in Newton-meters (Nm)?



46. The force that slows down a parachute is:



47. A rocket moves upward due to:



48. The rate of change of momentum is equal to:



49. A force that acts at a distance without physical contact is called:



50. The force that prevents objects from floating off Earth is:



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