Question

41. What is the simplest type of motion?

42. Name the device that measure distance?

43. Name the physical quantity that represent the speed of a body in a particular?

44. Can the speed of a moving body be zero?

45. Can the average velocity of any moving body ever be zero?

46. name the physical quantity that express how fast the velocity is changing?

47. what is the initial velocity of the body that has been dropped from a certain height?

48. What does the area under the velocity-time graph represent?

49. which type of motion is represented by a compound in a speed time graph?

50. What is average speed?

51. What do you mean by the rate of change of velocity ?write its SI unit.

52. Define uniform acceleration.

53. can a body be at rest and in motion at a same time ?explain.

54. Write the equation of motion for uniform accelerated motion.

55. Write two difference between speed and velocity.

56. Difference between distance and displacement.

57. A boy runs 20 metre in 2 minutes.and other boys walk 10 km in 2 hours what. who is

slower?

58. A car can achieve a speed of 100 km per hour in 5 second what is its acceleration?

59. Which type of force execute the action of uniform circular motion?

60. Draw distance time graph for A body moving in a uniform circular motion.

61. How is force related to acceleration.

62. Define momentum.

63. What is force.

64. A force of 1 Newton acts on a mass of 1 kg. what is its acceleration.

65. A ball is dropped from a certain height. does its speed increase or decrease.

66. How is the change in momentum related to force?

67. Define 1 Newton?

68. Describe the factor on which inertia of body depends?

69. How is change in velocity related to acceleration?

70. which one is heavier a weight of 1 Newton or a weight of 10kg?

71. Force acting on a body at rest cannot be in odd number .why?

72. What does impulse per unit time means.

73. How does a horse ful a card?

74. Difference between balance and unbalance force?

75. what is the relation between weight and mass of an object?

76. What type of force are responsible for the occurrence of sea tides?

77. 1 KGF equals to how many Newtons?

78. What is the weight of the body having 10 kg mass?

79. Can the mass of the body with zero?

80. What is the SI unit of the density?

81. What is the universal law of gravitation?

82. State Kepler's law of area?

83. What do you understand by a free fall?

solve this​

Answer 1

Answer:

4. 1) The simplest form of motion is the motion in a straight line