Mechanics properties of matter force motion and energy. - Question Bank
1. Which law of thermodynamics relates to the conservation of energy?
2. The conservation of angular momentum states that if the net external torque on a system is zero, then its:
3. What is the SI unit of angular momentum?
4. Hooke's Law states that within the elastic limit, stress is directly proportional to:
5. The fractional change in dimension of a body due to stress is called:
6. When a body is subjected to a deforming force, the internal restoring force per unit area is called:
7. Which of the following is a consequence of Bernoulli's principle?
8. What is the phenomenon where a liquid rises or falls in a narrow tube due to surface tension and adhesive forces?
9. The surface tension of a liquid is due to the cohesive forces between its:
10. Which property of matter describes its ability to resist compression?
11. What is the unit of work in the CGS system?
12. Which law of motion describes the concept of conservation of momentum?
13. The SI unit of momentum is:
14. What happens to the kinetic energy of an object if its velocity is doubled and its mass is kept the same?
15. What happens to the kinetic energy of an object if its mass is doubled and its velocity is kept the same?
16. Which of the following is an example of kinetic energy?
17. Which of the following is an example of potential energy?
18. What is the property of matter that causes it to occupy space and have mass?
19. The force that acts towards the center of a circular path, causing an object to move in a circle, is called:
20. When an object moves in a circular path at a constant speed, its velocity is constantly changing due to the change in:
21. Which type of motion involves an object moving along a curved path?
22. What is the unit of angular velocity?
23. The work done on an object is equal to the change in its:
24. Impulse is equal to the change in:
25. What is the unit of impulse?
26. 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?
27. The force exerted by a fluid per unit area is known as:
28. What is the term for the tendency of a fluid to resist flow?
29. The process by which a solid changes directly into a gas without passing through the liquid state is called:
30. Which state of matter has particles that are far apart and move randomly at high speeds?
31. In which state of matter are particles arranged in a random, close-packed structure and can slide past each other?
32. Which of the following states of matter has the strongest intermolecular forces?
33. Pressure is defined as force acting per unit:
34. What is the unit of pressure?
35. The ability of a material to be hammered or rolled into thin sheets is called:
36. Which property allows a material to be drawn into a thin wire?
37. The ability of a material to undergo permanent deformation without fracturing is known as:
38. What is the property of a solid that allows it to resist deformation under stress?
39. The conservation of energy states that energy can neither be created nor destroyed, but it can be:
40. Power is defined as the rate of doing:
41. Which of the following is a unit of power?
42. The energy possessed by an object due to its position or state is called:
43. The energy possessed by an object due to its motion is called:
44. What is the SI unit of energy?
45. Newton's Third Law of Motion states that for every action, there is an equal and:
46. The product of mass and velocity of an object is called:
47. 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:
48. Which of the following is a vector quantity?
49. What is the SI unit of force?
50. Newton's First Law of Motion is also known as the Law of: