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physics 01 motion
Pg.No.
1
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Page 1
Q.1. Which physical quantities have magnitude only and no direction?
Q.2. Which type of physical quantities are mass, speed, volume, work, time, power and energy?
Q.3. Which physical quantities have magnitude and direction both and obey triangle rule too?
Q.4. Which type of physical quantities are displacement, velocity, acceleration, force, momentum and torque?
Q.5. Which type of physical quantities are moment of inertia, pressure, refractive index and stress?
Q.6. The length of actual path covered by a moving object in a given time interval is known as?
Q.7. The shortest distance covered by a body in a definite direction is known as?
Q.8. What is the SI unit of distance and displacement?
Q.9. Can distance be negative or zero?
Q.10. Can displacement be negative or zero?
Q.11. The distance travelled by a moving object in unit time interval is known as?
Q.12. What is formula for speed?
Q.13. What is the SI unit of speed?
Q.14. The displacement of a moving object in unit time interval is known as?
Q.15. What is formula for velocity?
Q.16. What is the SI unit of velocity?
Q.17. The rate of change of velocity of an object is known as?
Q.18. What is formula for acceleration?
Q.19. What is SI unit of acceleration?
Q.20. Acceleration is negative when?
Q.21. Negative acceleration is also known as?
Q.22. When an object describes a circular path its motion is known as?
Q.23. Uniform circular motion is an accelerated motion because?
Q.24. Time rate of change of angular position of an object relative to the origin is known as?
Q.25. What is formula for angular velocity?
Q.26. Who is known as the father of physics?
Q.27. In which book Newton gave laws of motion?
Q.28. Which physical quantity though has direction, is a scalar quantity due to not obeying triangle rule?
Q.29. Name the law which states that "Every body maintains its initial state of rest or motion with uniform speed on a straight line unless an external force acts on it"?
Q.30. Which are the other names of Newton's first law of motion?
Q.31. Name the property of a body by virtue of which the body opposes change in its intial state of rest or motion with uniform speed on a straight line?
Q.32. When a car or train starts suddenly, the passengers bends backwards due to?
Q.33. When a coat/blanket is beaten by a stick,the dust particles are removed due to?
Q.34. While jumping from a slowly moving bus/train one must run for a short distance, in the direction of motion due to?
Q.35. When a running horse stops suddenly, the rider bends forward due to?
Q.36. External cause which when acts on body changes or tries to change the initial state of a body is known as?
Q.37. What is formula for force?
Q.38. What is SI unit of force?
Q.39. Name the law which states that "The rate of change in momentum of a body is directly proportional to the applied force on the body and takes place in the direction of the force"?
Q.40. Name the law which states that "To every action, there is an equal and opposite reaction"?
Q.41. Bogies of train are provided with buffers to avoid severe jerks during shunting of trains due to ?
Q.42. Recoil of a gun, upward motion of rocket, swimming are all examples of which law of motion?
Q.43. While drawing water from the well, if the string breaks up, the man drawing water falls back due to?
Q.44. According to the which principle, the total linear momentum of the system of bodies remains constant until no external force applied?
Q.45. When a large force acts on a body for a very small time it is known as?
Q.46. The product of force and time is known as?
Q.47. What is SI unit of impulse?
Q.48. Which external force is required to maintain the circular motion of the body?
Q.49. Which pseudo force is equal and opposite to centripetal force?
Q.50. Cream separator and centrifugal drier work on the principle of which type of force?
Q.51. The entire weight of the body acts downwards through which point?
Q.52. If the resultant of all the forces acting on a body is zero then the body is said to be in which state?
Q.53. Name the energy possessed by a body due to its position or configuration?
Q.54. Name the energy possessed by a body due to its motion?
Q.55. According to the which principle the total energy of the universe always remains the same?
Q.56. Which equipment transforms mechanical energy into elecrical energy?
Q.57. Which equipment transforms chemical energy into light and heat energy?
Q.58. Which equipment transforms sound energy into electical energy?
Q.59. Which equipment transforms electical energy into sound energy?
Q.60. Which equipment transforms solar energy into electical energy?
Q.61. Which equipment transforms electical energy into light energy?
Q.62. Which equipment transforms electrical energy into light and heat energy?
Q.63. Which equipment transforms chemical energy into electrical energy?
Q.64. Which equipment transforms electical energy into mechanical energy?
Q.65. Which equipment transforms mechanical energy into sound energy?
Q.66. In which type of equilibrium the centre of gravity of a body is at the highest position?
Q.67. For which type of equilibrium of the body, the centre of gravity should be at the minimum height?
Q.68. For which type of equilibrium of the body, the vertical line passing through the centre of the gravity of the body should pass through the base of the body?
Q.69. How much times will be the kinetic energy of the body, if the momentum of the body is doubled?
Q.70. Watt, kilowatt, megawatt and horse power are the units of?
Q.71. Wattsecond, watthour and kilowatthour are the units of?
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