The inability of a body to change its state of rest or uniform motion along a straight line is called its

A. momentum

B. velocity

C. acceleration

D. inertia

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  1. Powder clings to the skin because of
  2. Lightning conductors are made of
  3. The aneroid barometer uses
  4. The Space Application Centre for training in Satellite Communication Technology is located at
  5. A bullet is fired at a certain angle with the horizontal. Its path will be
  6. The cover of a solar cooker is made of glass because
  7. Which mirror is used as a rear view mirror in Vehicles?
  8. When we sweat, we feel comfortable under a fan because
  9. In the electrical circuit of a house the fuse acts as
  10. When a bullet is fired from a gun
  11. Of the following which has got the highest frequency?
  12. X-rays are
  13. Pyrometers are instruments used
  14. The velocity of sound in air
  15. When a ship floats on water, the weight or water displaced is
  16. The study of astronomy include a
  17. X-rays were discovered by
  18. When an electric apparatus is fitted with a three core flexible lead the insulation on the three wires…
  19. Which metal is used in storage batteries?
  20. The SI unit of electric current is
  21. The rocket engine is motivated by jet propulsion which uses the famous
  22. When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs…
  23. When a body is partly or wholly immersed in a liquid the apparent loss of weight is equal to the weight…
  24. In experiments on static electricity the standard method for obtaining small amounts of positive electricity…
  25. We see the sun before it actually rises on the horizon. This is due to
  26. The heat produced in a conductor due to the passage of a current through it is proportional to
  27. Who first established the fact that the earth revolves round the sun?
  28. Of the following types of electromagnetic radiation which has the longest wavelength?
  29. Increase in pressure
  30. The difference between planets and stars is