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Physics Questions and Answers

General Science
45. The formula to calculate the force is
 
  • A. F = ma
  • B. F = p×h
  • C. F = d×h
  • D. F = a×h
 
46. Rate of change of momentum
 
  • A. velocity
  • B. speed
  • C. force
  • D. work
 
47. The unit of force is
 
  • A. joule
  • B. kilogram
  • C. newton
  • D. newton–metre
 
48. The least distance of distinct vision of
 
  • A. 15 cm
  • B. 15 m
  • C. 25 m
  • D. 25 cm