Mechanics properties of matter force motion and energy. - One Line Questions

1. Which of the following is a consequence of Bernoulli's principle? — An airplane wing generates lift
2. Which of the following is an example of potential energy? — A stretched rubber band
3. The surface tension of a liquid is due to the cohesive forces between its: — Molecules
4. Which property allows a material to be drawn into a thin wire? — Ductility
5. The force that acts towards the center of a circular path, causing an object to move in a circle, is called: — Centripetal force
6. What is the property of matter that causes it to occupy space and have mass? — Inertia
7. The ability of a material to be hammered or rolled into thin sheets is called: — Malleability
8. What is the property of a solid that allows it to resist deformation under stress? — Elasticity
9. The ability of a material to undergo permanent deformation without fracturing is known as: — Plasticity
10. Which property of matter describes its ability to resist compression? — Compressibility
11. The process by which a solid changes directly into a gas without passing through the liquid state is called: — Sublimation
12. Which law of motion describes the concept of conservation of momentum? — Third Law
13. The product of mass and velocity of an object is called: — Momentum
14. Hooke's Law states that within the elastic limit, stress is directly proportional to: — Strain
15. Which of the following states of matter has the strongest intermolecular forces? — Solid
16. What is the unit of angular velocity? — Radians per second
17. The conservation of energy states that energy can neither be created nor destroyed, but it can be: — Transformed
18. What happens to the kinetic energy of an object if its mass is doubled and its velocity is kept the same? — It doubles
19. What happens to the kinetic energy of an object if its velocity is doubled and its mass is kept the same? — It quadruples
20. What is the SI unit of force? — Newton
21. Which of the following is a unit of power? — Watt
22. What is the unit of work in the CGS system? — Erg
23. The SI unit of momentum is: — kg m/s
24. What is the SI unit of angular momentum? — kg m²/s
25. The energy possessed by an object due to its position or state is called: — Potential energy
26. Impulse is equal to the change in: — Momentum
27. The conservation of angular momentum states that if the net external torque on a system is zero, then its: — Angular momentum is conserved
28. Which type of motion involves an object moving along a curved path? — Curvilinear motion
29. When an object moves in a circular path at a constant speed, its velocity is constantly changing due to the change in: — Direction
30. Which fundamental property of matter describes its resistance to changes in its state of motion? — Mass
31. Newton's First Law of Motion is also known as the Law of: — Inertia
32. What is the SI unit of energy? — Joule
33. What is the unit of impulse? — Newton-second
34. What is the unit of pressure? — Newton per square meter
35. Newton's Third Law of Motion states that for every action, there is an equal and: — Opposite reaction
36. What is the phenomenon where a liquid rises or falls in a narrow tube due to surface tension and adhesive forces? — Capillarity
37. Which principle states that a body immersed in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced by it? — Archimedes' Principle
38. The energy possessed by an object due to its motion is called: — Kinetic energy
39. When a body is subjected to a deforming force, the internal restoring force per unit area is called: — Stress
40. In which state of matter are particles arranged in a random, close-packed structure and can slide past each other? — Liquid
41. Which state of matter has particles that are far apart and move randomly at high speeds? — Gas
42. Which of the following is a vector quantity? — Velocity
43. The force exerted by a fluid per unit area is known as: — Pressure
44. The fractional change in dimension of a body due to stress is called: — Strain
45. What is the term for the tendency of a fluid to resist flow? —
46. According to Newton's Second Law of Motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its: — Mass
47. The work done on an object is equal to the change in its: — Kinetic energy
48. Pressure is defined as force acting per unit: — Area
49. Which of the following is an example of kinetic energy? — A flying airplane
50. Power is defined as the rate of doing: — Work
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